WO2015045916A1 - 再生装置、再生方法、および記録媒体 - Google Patents

再生装置、再生方法、および記録媒体 Download PDF

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Publication number
WO2015045916A1
WO2015045916A1 PCT/JP2014/074246 JP2014074246W WO2015045916A1 WO 2015045916 A1 WO2015045916 A1 WO 2015045916A1 JP 2014074246 W JP2014074246 W JP 2014074246W WO 2015045916 A1 WO2015045916 A1 WO 2015045916A1
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WIPO (PCT)
Prior art keywords
video
display device
information
luminance
hdr
Prior art date
Application number
PCT/JP2014/074246
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English (en)
French (fr)
Japanese (ja)
Inventor
山本　和夫
高橋　邦明
Original Assignee
ソニー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ソニー株式会社 filed Critical ソニー株式会社
Priority to JP2015539112A priority Critical patent/JP6459969B2/ja
Priority to MX2016003558A priority patent/MX356133B/es
Priority to CN201480051615.5A priority patent/CN105556606B/zh
Priority to US15/022,866 priority patent/US20160232937A1/en
Priority to EP14849876.9A priority patent/EP3051535B1/de
Priority to CA2924784A priority patent/CA2924784C/en
Priority to KR1020167006869A priority patent/KR102285049B1/ko
Publication of WO2015045916A1 publication Critical patent/WO2015045916A1/ja

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/005—Adapting incoming signals to the display format of the display terminal
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/12—Synchronisation between the display unit and other units, e.g. other display units, video-disc players
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs

Definitions

  • the present technology relates to a playback device, a playback method, and a recording medium, and more particularly, to a playback device, a playback method, and a recording medium that can display content with a wide dynamic dynamic range with appropriate brightness.
  • BD Blu-ray (registered trademark) Disc
  • the master video was taken with a high-quality camera and has a dynamic range that is greater than the dynamic range that can be displayed on a standard luminance monitor. By compressing, the dynamic range of the master video is naturally lost.
  • monitors that are brighter than the standard, such as 500 nit and 1000 nit, are on the market. There is a demand for content that makes use of the performance of a monitor having such a wide dynamic range.
  • the present technology has been made in view of such a situation, and enables content with a wide dynamic range of brightness to be displayed with appropriate brightness.
  • a playback device includes a first encoded data of a standard video that is a video of a first luminance range and a first of an extended video that is a video of a second luminance range wider than the first luminance range.
  • a read unit that reads out the second encoded data from a recording medium in which the second encoded data of the two encoded data is recorded, and a display device capable of displaying the extended video, and Based on the first acquisition unit that acquires the identification information of the display device and the identification information of the display device, the luminance adjustment data that is used for adjusting the luminance of the extended video is acquired according to the specifications of the display device
  • the second acquisition unit can acquire the brightness adjustment data from a server connected via a network.
  • the recording medium can be a Blu-ray disc.
  • the URL of the server can be described in a PlayList file or other file recorded on the recording medium.
  • the reading unit causes the identification information of the recording medium to be read from the recording medium
  • the second acquisition unit transmits the identification information of the recording medium and the identification information of the display device to the server.
  • the brightness adjustment data managed in association with the identification information of the recording medium and the identification information of the display device in the server can be acquired.
  • the reading unit reads identification information of the recording medium from the recording medium
  • the first acquisition unit acquires specification information representing the specification of the display device from the display device
  • the second In the acquisition unit the identification information of the recording medium, the identification information of the display device, and the specification information are transmitted to the server and managed in association with the identification information of the recording medium in the server.
  • the brightness adjustment data the brightness adjustment data according to the specification of the display device represented by the specification information can be acquired.
  • the luminance characteristic information can be included as auxiliary information in the second encoded data.
  • the second acquisition unit causes the luminance characteristic information to be acquired together with the luminance adjustment data
  • the output unit causes the second acquisition unit to acquire the second luminance characteristic information.
  • the luminance characteristic information is acquired by the acquisition unit
  • the luminance characteristic information acquired by the second acquisition unit is output, and when the luminance characteristic information is not acquired by the second acquisition unit,
  • the luminance characteristic information included in the second encoded data can be output.
  • the second acquisition unit acquires the brightness adjustment data recorded in association with the identification information of the display device among the plurality of brightness adjustment data recorded on the recording medium. Can do.
  • the first acquisition unit acquires specification information representing the specification of the display device from the display device, and the second acquisition unit records the specification information in association with the identification information of the display device.
  • the brightness adjustment data according to the specification of the display device represented by the specification information can be acquired.
  • a playback device includes a first encoded data of a standard video that is a video in a first luminance range and an extended video that is a video in a second luminance range wider than the first luminance range.
  • a read unit that reads the first encoded data from a recording medium that records the first encoded data of the second encoded data, and a display device that can display the extended video are communicated with each other.
  • a luminance according to the specifications of the display device which is used to convert the standard video to the extended video based on the first acquisition unit that acquires the identification information of the display device and the identification information of the display device
  • a second acquisition unit that acquires conversion definition data
  • a decoding unit that decodes the first encoded data
  • the standard video obtained by decoding the first encoded data, the luminance conversion definition Based on data
  • the second acquisition unit can acquire the luminance conversion definition data from a server connected via a network.
  • the recording medium can be a Blu-ray disc.
  • the URL of the server can be described in a PlayList file or other file recorded on the recording medium.
  • the reading unit causes the identification information of the recording medium to be read from the recording medium
  • the second acquisition unit transmits the identification information of the recording medium and the identification information of the display device to the server.
  • the luminance conversion definition data managed in association with the identification information of the recording medium and the identification information of the display device in the server can be acquired.
  • the reading unit reads identification information of the recording medium from the recording medium
  • the first acquisition unit acquires specification information representing the specification of the display device from the display device
  • the second In the acquisition unit the identification information of the recording medium, the identification information of the display device, and the specification information are transmitted to the server and managed in association with the identification information of the recording medium in the server.
  • the luminance conversion definition data the luminance conversion definition data according to the specification of the display device represented by the specification information can be acquired.
  • the luminance characteristic information can be included as auxiliary information in the first encoded data.
  • the second acquisition unit is configured to acquire the luminance characteristic information together with the luminance conversion definition data
  • the output unit is configured to acquire the second luminance characteristic information.
  • the second acquisition unit is configured to acquire the luminance conversion definition data recorded in association with the identification information of the display device among the plurality of luminance conversion definition data recorded on the recording medium. Can do.
  • the first acquisition unit acquires specification information representing the specification of the display device from the display device, and the second acquisition unit records the specification information in association with the identification information of the display device.
  • the luminance conversion definition data according to the specification of the display device represented by the specification information can be acquired.
  • the second encoded data is read from the recording medium on which the second encoded data of the encoded data is recorded, and identification information of the display device is displayed from a display device capable of displaying the extended video. To be acquired. Further, based on the identification information of the display device, luminance adjustment data according to the specification of the display device used for adjusting the luminance of the extended video is acquired, and the second encoded data is decoded. The brightness of the obtained extended video is adjusted based on the brightness adjustment data. The extended video data after the luminance adjustment is output to the display device together with luminance characteristic information indicating the luminance characteristic of the extended video.
  • the first encoded data of the standard video that is the video of the first luminance range and the second of the extended video that is the video of the second luminance range wider than the first luminance range.
  • the first encoded data is read from the recording medium on which the first encoded data is recorded, and the display device identification information is displayed from the display device capable of displaying the extended video. Is acquired.
  • luminance conversion definition data corresponding to the specifications of the display device, which is used to convert the standard video into the extended video is acquired based on the identification information of the display device, and the first encoded data
  • the standard video obtained by decoding is converted to the extended video based on the luminance conversion definition data.
  • the extended video data obtained by performing the luminance conversion is output to the display device together with the luminance characteristic information indicating the luminance characteristic of the extended video.
  • the network refers to a mechanism in which at least two devices are connected and information can be transmitted from one device to another device.
  • the devices that communicate via the network may be independent devices, or may be internal blocks that constitute one device.
  • the communication is not only wireless communication and wired communication, but also communication in which wireless communication and wired communication are mixed, that is, wireless communication is performed in a certain section and wired communication is performed in another section. May be. Further, communication from one device to another device may be performed by wired communication, and communication from another device to one device may be performed by wireless communication.
  • FIG. 19 is a diagram illustrating the syntax of StreamCodingInfo in FIG. 18. It is a block diagram which shows the structural example of a recording device. It is a block diagram which shows the structural example of the encoding process part of FIG. It is a figure which shows the example of the signal processing by a HDR-STD conversion part. It is a figure which shows the example of tone mapping. It is a block diagram which shows the structural example of the reproducing
  • FIG. 1 It is a figure which shows the example of a database. It is a figure which shows the example of a process in case recording mode is mode-i. It is a figure which shows the example of each information in case recording mode is mode-i. It is a figure which shows the example of a process in case recording mode is mode-ii. It is a figure which shows the example of each information in case recording mode is mode-ii. It is a block diagram which shows the hardware structural example of information processing apparatus. It is a block diagram which shows the function structural example of information processing apparatus. It is a block diagram which shows the function structural example of a management server. It is a block diagram which shows the structural example of the reproducing
  • FIG. 1 It is a figure which shows the example of a database. It is a figure which shows the example of a process in case recording mode is mode-i. It is a figure which shows the example of each information in case recording mode is mode-i. It is a block diagram which shows the hardware structural example of information
  • FIG. 45 is a block diagram illustrating a configuration example of a decoding processing unit in FIG. 44. It is a flowchart explaining the tone mapping table generation processing of the information processing apparatus. It is a flowchart explaining the tone mapping table registration process of the management server. It is a flowchart explaining the tone mapping table provision processing of the management server. It is a flowchart explaining the reproduction
  • FIG. 55 is a block diagram illustrating a configuration example of a recording device in the recording / reproducing system illustrated in FIGS. It is a flowchart explaining the recording process of a recording device. It is a flowchart explaining the reproduction
  • FIG. 59 is a flowchart following FIG. 58 for describing the playback process of the playback device.
  • FIG. It is a figure which shows the example of the other process in a recording / reproducing system.
  • 61 is a flowchart for describing decoding processing of a playback device in the recording / playback system of FIG. 60.
  • FIG. 1 is a diagram illustrating a configuration example of a recording / reproducing system according to an embodiment of the present technology.
  • the recording / reproducing system in FIG. 1 includes a recording device 1, a reproducing device 2, and a display device 3.
  • the playback device 2 and the display device 3 are connected via a cable 4 that is a cable of a predetermined standard such as HDMI (High Definition Multimedia Interface).
  • the playback device 2 and the display device 3 may be connected via a cable of another standard, or may be connected via wireless communication.
  • Recording device 1 records content, and playback device 2 plays back the content.
  • Content is provided from the recording device 1 to the playback device 2 using the optical disc 11.
  • the optical disc 11 is a disc on which content is recorded, for example, in a BD-ROM (Blu-ray (registered trademark) Disc Read-Only) format.
  • Recording content on the optical disc 11 may be performed in other formats such as BD-R and -RE.
  • provision of content from the recording device 1 to the playback device 2 may be performed using a removable medium other than the optical disk, such as a memory card equipped with a flash memory.
  • the recording device 1 is, for example, a device used by a content author. In the following description, it is assumed that the optical disc 11 on which content is recorded by the recording device 1 is provided to the playback device 2 in practice. Then, the optical disc 11 as one of them is provided to the playback device 2.
  • An HDR (High Dynamic Range) video that is a video having a dynamic range greater than or equal to a dynamic range (luminance range) that can be displayed on a standard luminance monitor is input to the recording apparatus 1.
  • the recording device 1 records the input master HDR video on the optical disc 11 as an HDR video, that is, as a video having a dynamic range higher than the dynamic range that can be displayed on a monitor having a standard luminance.
  • information indicating the luminance characteristics of the master HDR video and information used when converting the HDR video into the STD video are also recorded on the optical disc 11.
  • STD video (standard video) is a dynamic range video that can be displayed on a monitor with standard brightness.
  • the dynamic range of STD video is 0-100%
  • the dynamic range of HDR video is expressed as a range from 0% to 101% or more, such as 0-500%, 0-1000%.
  • the recording device 1 converts the input master HDR video into STD video, that is, converts it into a video having a dynamic range that can be displayed on a monitor having a standard luminance, and records it on the optical disc 11.
  • information indicating the luminance characteristics of the master HDR video and information used when converting the STD video into the HDR video are also recorded on the optical disc 11.
  • the HDR video recorded by the recording device 1 or the STD video obtained by converting the HDR video is, for example, a so-called 4K resolution video having horizontal and vertical resolutions of 4096 ⁇ 2160, 3840 ⁇ 2160 pixels, and the like.
  • HEVC High Efficiency Video Coding
  • SEI Supplemental Enhancement Information
  • the playback device 2 communicates with the display device 3 via the cable 4 and acquires information regarding the display performance of the display device 3.
  • the playback device 2 identifies whether the display device 3 is a device having an HDR monitor that is a monitor capable of displaying HDR video or a device having an STD monitor that is a monitor capable of only displaying STD video.
  • the playback device 2 drives the drive to read and decode the HEVC stream recorded on the optical disc 11.
  • the playback device 2 displays the HDR video data obtained by decoding the HEVC stream on the display device 3. Output to.
  • the playback device 2 outputs information indicating the luminance characteristics of the master HDR video to the display device 3 together with the HDR video data.
  • the playback device 2 converts the HDR video obtained by decoding the HEVC stream into STD video. , Output STD video data.
  • the conversion of the HDR video into the STD video is performed using information that is recorded on the optical disc 11 and used when converting the HDR video into the STD video.
  • the playback device 2 converts the STD video obtained by decoding the HEVC stream into HDR video, and the HDR Video data is output to the display device 3.
  • the conversion of the STD video into the HDR video is performed using information used when converting the STD video into the HDR video recorded on the optical disc 11.
  • the playback device 2 outputs information indicating the luminance characteristics of the master HDR video to the display device 3 together with the HDR video.
  • the playback device 2 displays the STD video data obtained by decoding the HEVC stream on the display device 3. Output to.
  • the display device 3 receives the video data transmitted from the playback device 2 and displays the content video on the monitor. Audio data of content is also transmitted from the playback device 2. The display device 3 outputs the audio of the content from the speaker based on the audio data transmitted from the playback device 2.
  • the display device 3 recognizes that the video data transmitted from the playback device 2 is HDR video data. As described above, information indicating the luminance characteristics of the master HDR video is transmitted together with the HDR video data to the display device 3 having the HDR monitor.
  • the display device 3 displays the HDR video image according to the characteristics specified by the information indicating the brightness characteristics of the master HDR video.
  • the display device 3 is a monitor whose own monitor has a dynamic range of 0-500%.
  • the display device 3 Based on the information indicating the luminance characteristics of the master HDR video, the display device 3 has a predetermined HDR video dynamic range of 0-500%. If it is designated as a characteristic, the video is displayed with the brightness adjusted in the range of 0-500% according to the predetermined characteristic.
  • the content author By enabling the specification of the luminance characteristics of the master HDR video, the content author (Author) can display the video with the intended luminance.
  • a display device such as a TV recognizes an externally input video as a video having a dynamic range of 0-100%. Further, when the monitor of the display device has a wider dynamic range, the display device expands the luminance itself according to the characteristics of the monitor and displays the video. By designating the luminance characteristic and adjusting the luminance of the HDR video according to the designated characteristic, it is possible to prevent the luminance adjustment not intended by the author from being performed on the display device side.
  • a playback device that outputs video to a display device such as a TV usually outputs the video after converting the luminance according to the characteristics of the transmission path.
  • the display device that has received the video converts the luminance of the received video in accordance with the characteristics of the monitor and displays the video.
  • the display device 3 displays the STD video image.
  • STD video is transmitted from the playback device 2
  • the display device 3 is a device having an STD monitor.
  • mode-i the mode in which the master HDR video is recorded on the optical disc 11 as the HDR video is referred to as mode-i.
  • mode-i information indicating the luminance characteristics of the master HDR video and information used when converting the HDR video into STD video are recorded on the optical disc 11.
  • mode-ii the mode in which the master HDR video is converted to STD video and recorded on the optical disc 11 is called mode-ii.
  • mode-ii information indicating the luminance characteristics of the master HDR video and information used when converting the STD video into the HDR video are recorded on the optical disc 11.
  • FIG. 2 is a diagram illustrating an example of signal processing in mode-i.
  • the process on the left side indicated by the solid line L1 indicates the encoding process performed in the recording apparatus 1, and the process on the right side indicated by the solid line L2 indicates the decoding process performed in the reproduction apparatus 2.
  • the recording apparatus 1 detects the brightness of the master HDR video and, as indicated by the tip of arrow # 1, HDR information that is information indicating the brightness characteristics of the master HDR video Is generated. Also, the recording device 1 encodes the master HDR video with HEVC as indicated by the tip of arrow # 2.
  • the recording device 1 converts the master HDR video into STD video as indicated by the tip of arrow # 3.
  • the video of the STD video obtained by the conversion is displayed on a monitor (not shown).
  • the conversion of the HDR video to the STD video is appropriately performed while the author visually confirms the video of the converted STD video and adjusts the conversion parameters.
  • the recording device 1 Based on the adjustment by the author, the recording device 1 generates tone-mapping definition information for HDR-STD conversion, which is information used when converting HDR video to STD video, as indicated by the tip of arrow # 4. .
  • the tone mapping definition information includes each pixel value indicating the brightness of a dynamic range such as 0-400%, which is wider than the standard dynamic range, and each pixel indicating the brightness of the dynamic range of 0-100%, which is the standard dynamic range. This information defines the correspondence between values.
  • the recording device 1 inserts the HDR information and tone mapping definition information as SEI into HEVC encoded data as shown at the tip of arrow # 5, and generates a HEVC stream.
  • the recording device 1 records the generated HEVC stream on the optical disc 11 in the BD format and provides it to the playback device 2 as indicated by arrow # 11.
  • the information indicating the luminance characteristics of the master HDR video and the information used when converting the HDR video into the STD video are provided to the playback device 2 by inserting into the stream using the SEI of HEVC. Is done.
  • the playback device 2 reads the HEVC stream from the optical disc 11, and extracts the HDR information and tone mapping definition information from the SEI of the HEVC stream as indicated by arrows # 21 and # 22.
  • the playback device 2 decodes the HEVC encoded data as indicated by the tip of arrow # 23.
  • the playback device 2 adds the HDR information to the HDR video data obtained by decoding the encoded data, as indicated by the tip of the arrow # 24. Output to the display device 3 as shown above.
  • the playback device 2 uses the tone-mapping definition information for HDR-STD conversion extracted from the HEVC stream, as indicated by the tip of arrow # 26, to generate encoded data.
  • the HDR video obtained by decoding is converted to STD video.
  • the playback device 2 outputs the STD video data obtained by the conversion to the display device 3 as indicated by the tip of arrow # 27.
  • HDR video data obtained by decoding HEVC encoded data is output to the display device 3 having an HDR monitor together with the HDR information. Also, HDR video data obtained by decoding HEVC encoded data is converted into STD video, and then output to a display device 3 having an STD monitor.
  • FIG. 3 is a diagram showing a flow of processing from when the master HDR video is input to the recording device 1 to when video data is output from the playback device 2.
  • the master HDR video is transferred to the playback device 2 together with the HDR information generated in the recording device 1 based on the master HDR video and tone-mapping definition information for HDR-STD conversion, as indicated by the tip of the white arrow # 51.
  • the HDR information includes information indicating that the dynamic range is extended to a range of 0 to 400%.
  • the playback device 2 adds HDR information to the HDR video data obtained by decoding the HEVC encoded data, as indicated by the arrows # 52 and # 53. Is done. Also, the HDR video data to which the HDR information is added is output to the display device 3 as indicated by the tip of arrow # 54.
  • the playback device 2 converts the HDR video obtained by decoding the HEVC encoded data into HDR-STD conversion as indicated by the arrows # 55 and # 56. Is converted into STD video using tone mapping definition information. Also, the STD video data obtained by the conversion is output to the display device 3 as indicated by the tip of arrow # 57.
  • the amplitude of the waveform indicating the HDR video and the amplitude of the waveform indicating the STD video each indicate a dynamic range.
  • the master HDR video is recorded on the optical disc 11 as the HDR video. Also, depending on the performance of the display device 3 as the output destination, the HDR video obtained by decoding the encoded data is output with the HDR information added as it is, or the HDR video is converted into the STD video and output. Can be switched.
  • FIG. 4 is a diagram illustrating an example of signal processing in mode-ii.
  • the recording apparatus 1 detects the brightness of the master HDR video and generates HDR information as indicated by the tip of arrow # 71.
  • Recording device 1 converts the master HDR video into STD video as indicated by the tip of arrow # 72.
  • the video of the STD video obtained by the conversion is displayed on a monitor (not shown).
  • the recording device 1 Based on the adjustment by the author, the recording device 1 generates tone mapping definition information for STD-HDR conversion, which is information used when converting STD video to HDR video, as indicated by the tip of arrow # 73. .
  • the recording apparatus 1 encodes the STD video obtained by converting the master HDR video by HEVC.
  • Recording device 1 inserts HDR information and tone mapping definition information as SEI into HEVC encoded data as shown at the tip of arrow # 75, and generates a HEVC stream.
  • the recording device 1 records the generated HEVC stream on the optical disc 11 in the BD format and provides it to the playback device 2 as indicated by arrow # 91.
  • the playback device 2 reads out the HEVC stream from the optical disc 11, and extracts the HDR information and tone mapping definition information from the SEI of the HEVC stream as indicated by arrows # 101 and # 102.
  • the playback device 2 decodes the HEVC encoded data as indicated by the tip of arrow # 103.
  • the playback device 2 outputs the STD video data obtained by decoding the encoded data to the display device 3 as indicated by the tip of arrow # 104.
  • the playback device 2 uses the tone mapping definition information for STD-HDR conversion extracted from the HEVC stream, as indicated by the tip of arrow # 105, to generate encoded data.
  • STD video obtained by decoding is converted to HDR video.
  • the playback device 2 adds the HDR information to the HDR video data obtained by the conversion as indicated by the tip of the arrow # 106, and outputs it to the display device 3 as indicated by the tip of the arrow # 107.
  • the STD video data obtained by decoding the HEVC encoded data is converted into HDR video and then output to the display device 3 having the HDR monitor together with the HDR information. Also, STD video data obtained by decoding HEVC encoded data is output as it is to the display device 3 having an STD monitor.
  • FIG. 5 is a diagram showing the flow of processing from when the master HDR video is input to the recording device 1 to when the video data is output from the playback device 2.
  • the master HDR video is converted into STD video as shown by the white arrow # 121, and then the HDR information generated in the recording device 1 based on the master HDR video and the tone for STD-HDR conversion are displayed. It is provided to the playback device 2 together with the mapping definition information.
  • the STD video obtained by decoding the HEVC encoded data is used for STD-HDR conversion, as indicated by arrows # 122 and # 123. It is converted into HDR video using tone mapping definition information. Further, as indicated by the tip of arrows # 124 and # 125, the HDR information is added to the HDR video data obtained by converting the STD video, and is output to the display device 3 as indicated by the tip of arrow # 126.
  • the playback device 2 outputs the STD video obtained by decoding the HEVC encoded data to the display device 3 as indicated by the tip of arrow # 127. .
  • the master HDR video is converted to STD video and recorded on the optical disc 11. Also, depending on the performance of the display device 3 serving as the output destination, the STD video obtained by decoding the encoded data is converted into HDR video, and is output with the addition of HDR information, or the STD video is output as it is. Can be switched.
  • FIG. 6 is a diagram showing the configuration of the HEVC access unit.
  • the HEVC stream is composed of access units that are a collection of NAL (Network Abstraction Layer) units.
  • One access unit includes one picture of video data.
  • one access unit includes AU delimiter (Access Unit delimiter), VPS (Video Parameter Set), SPS (Sequence Parameter Set), PPS (Picture Parameter Set), SEI, VCL (Video Coding Layer) , EOS (End of Sequence), and EOS (End of Stream).
  • AU delimiter Access Unit delimiter
  • VPS Video Parameter Set
  • SPS Sequence Parameter Set
  • PPS Picture Parameter Set
  • SEI Supplemental Coding Layer
  • VCL Video Coding Layer
  • EOS End of Sequence
  • EOS End of Stream
  • VPS includes metadata representing the contents of the bitstream.
  • the SPS includes information that the HEVC decoder needs to refer to through a sequence decoding process, such as a picture size and a CTB (Coding Tree Block) size.
  • the PPS includes information that the HEVC decoder needs to refer to in order to execute a picture decoding process.
  • VPS, SPS, and PPS are used as header information.
  • SEI is auxiliary information including timing information of each picture and information on random access. HDR information and tone mapping definition information are included in Tone mapping information which is one of SEI.
  • VCL is one picture data.
  • EOS End of Sequence
  • EOS End of Stream
  • FIG. 7 is a diagram showing the syntax of Tone mapping information.
  • Tone mapping information the brightness and color of the picture obtained by decoding are converted according to the performance of the monitor that is the output destination of the picture. Note that the line numbers and colons (:) on the left side of FIG. 7 are shown for convenience of explanation, and are not information included in Tone mapping information. The main information included in Tone mapping information is explained.
  • the tone_map_id on the second line is identification information of Tone mapping information.
  • the purpose of Tone mapping information is identified by tone_map_id.
  • an ID for mode-i and an ID for mode-ii are secured.
  • an ID for mode-i is set in tone_map_id of Tone mapping information inserted in SEI of the encoded data of HDR video.
  • an ID for mode-ii is set in tone_map_id of Tone mapping information inserted in the SEI of the encoded data of STD video.
  • either one of the ID for mode-i and the ID for mode-ii is set in tone_map_id.
  • the tone_map_model_id on the 8th line represents a tone map model used for conversion of coded data (coded data).
  • tone_map_model_id In the recording apparatus 1, one Tone mapping ⁇ information in which any one of 0, 2, and 3 is set as tone_map_model_id and one Tone mapping information in which a value of 4 is set as tone_map_model_id are generated.
  • Tone mapping information in which one of 0, 2, and 3 is set as tone_map_model_id is used as tone mapping definition information for HDR-STD conversion or STD-HDR conversion. Further, information included in Tone mapping information in which a value of 4 is set as tone_map_model_id is used as HDR information.
  • tone_map_model_id 0.
  • min_value and max_value are described.
  • the horizontal axis indicates coded_data (RGB value before conversion), and the vertical axis indicates target_data (RGB value after conversion).
  • the tone curve of FIG. 9 the RGB values below the encoded data D1 are converted into RGB values indicated by min_value, as indicated by white arrow # 151.
  • the RGB value of the encoded data D2 or higher is converted into an RGB value indicated by max_value as indicated by a white arrow # 152.
  • tone_map_model_id 2
  • start_of_coded_interval [i] having the same number as max_target_data representing the step function is described.
  • tone_map_model_id 3
  • num_pivots 3
  • Tone mapping information in which any value of 0,2,3 is set as tone_map_model_id is used as tone mapping definition information for STD-HDR conversion or HDR-STD conversion, and reproduced from the recording device 1 Is transmitted to the device 2.
  • tone_map_model_id 4
  • ref_screen_luminance_white 4
  • extended_range_white_level 4
  • nominal_black_level_code_value 2
  • nominal_white_level_code_value 3
  • extended_white_level_code_value 3
  • FIG. 12 is a diagram illustrating an example of each piece of information included in the HDR information.
  • the horizontal axis of FIG. 12 shows each pixel value of RGB. When the bit length is 10 bits, each pixel value is 0-1023.
  • the vertical axis in FIG. 12 indicates brightness (luminance).
  • the function F1 is a gamma function indicating the relationship between the pixel value and the brightness in a standard luminance monitor. The dynamic range of a standard luminance monitor is 0-100%.
  • ref_screen_luminance_white indicates the brightness (cd / m 2 ) of the standard monitor.
  • extended_range_white_level indicates the maximum value of the dynamic range brightness after extension. In the example of FIG. 12, 400 is set as the value of extended_range_white_level.
  • Nominal_black_level_code_value indicates a pixel value of black (brightness 0%)
  • nominal_white_level_code_value indicates a pixel value of white (brightness 100%) in a standard luminance monitor.
  • extended_white_level_code_value indicates a white pixel value in the extended dynamic range.
  • the dynamic range of 0-100% is expanded to the dynamic range of 0-400% according to the value of extended_range_white_level.
  • a pixel value corresponding to 400% brightness is specified by extended_white_level_code_value.
  • the luminance characteristics of HDR video are the characteristics that the values of nominal_black_level_code_value, nominal_white_level_code_value, and extended_white_level_code_value indicate 0%, 100%, and 400%, respectively.
  • the luminance characteristic of the HDR video is represented by a function F2 that is a gamma function of the HDR video.
  • Tone mapping information in which a value of 4 is set as tone_map_model_id, and transmitted from the recording device 1 to the playback device 2.
  • FIG. 13 is a diagram illustrating an example of an AV stream management structure in the BD-ROM format.
  • AV streams including HEVC streams is performed using two layers, PlayList and Clip.
  • the AV stream may be recorded not only on the optical disc 11 but also on the local storage of the playback device 2.
  • One AV stream and Clip Information which is information accompanying it are managed as one object.
  • a pair of AV stream and ClipCInformation is called Clip.
  • the AV stream is developed on the time axis, and the access point of each Clip is mainly designated in the PlayList with a time stamp. Clip Information is used to find the address where decoding in the AV stream should start.
  • PlayList is a collection of AV stream playback sections.
  • One playback section in the AV stream is called PlayItem.
  • PlayItem is represented by a pair of IN point and OUT point of the playback section on the time axis. As shown in FIG. 13, the PlayList is composed of one or a plurality of PlayItems.
  • the first PlayList from the left in FIG. 13 is composed of two PlayItems, and the two PlayItems refer to the first half and the second half of the AV stream included in the left Clip, respectively.
  • the second PlayList from the left is composed of one PlayItem, so that the entire AV stream included in the right Clip is referenced.
  • the third PlayList from the left is made up of two PlayItems, and the two PlayItems refer to a part of the AV stream included in the left Clip and a part of the AV stream included in the right Clip, respectively.
  • the PlayList is used as playback control information for controlling playback of the AV stream.
  • a playback path created by an array of one or more PlayItems in a PlayList is called a main path.
  • a playback path created by an arrangement of one or more SubPlayItems in parallel with the Main Path is called a sub path (Sub Path).
  • FIG. 14 is a diagram showing the structure of the main path and the sub path.
  • the PlayList has one Main path and one or more Sub paths.
  • the PlayList in FIG. 14 has one Main Path and three Sub Paths created from a sequence of three PlayItems.
  • the PlayItems that make up the Main Path are set with IDs in order from the top.
  • the AV stream referred to by one PlayItem includes at least a video stream (main image data).
  • the AV stream may or may not include one or more audio streams that are played back at the same timing (synchronously) as the video stream included in the AV stream.
  • the AV stream may or may not include one or more bitmap subtitle data (PG (Presentation Graphic)) streams that are reproduced in synchronization with the video stream included in the AV stream. .
  • PG Presentation Graphic
  • the AV stream may or may not include one or more IG (Interactive Graphic) streams that are played back in synchronization with the video stream included in the AV stream file.
  • the IG stream is used to display graphics such as buttons operated by the user.
  • a video stream and an audio stream, a PG stream, and an IG stream that are reproduced in synchronization with the AV stream referred to by one PlayItem are multiplexed.
  • one SubPlayItem refers to a video stream, an audio stream, a PG stream, and the like, which are different from the AV stream referred to by the PlayItem.
  • PlayList and Clip Information including information related to playback of the AV stream are appropriately referred to as Data ⁇ Base information.
  • FIG. 15 is a diagram illustrating an example of a management structure of files recorded on the optical disc 11.
  • Each file recorded on the optical disc 11 is hierarchically managed by the directory structure.
  • One root directory is created on the optical disc 11.
  • BDMV directory is placed under the root directory.
  • an Index file that is a file with the name “Index.bdmv” and a MovieObject file that is a file with the name “MovieObject.bdmv” are stored.
  • PLAYLIST directory CLIPINF directory, STREAM directory, etc. are provided under the BDMV directory.
  • the PLAYLIST directory stores a PlayList file that describes the PlayList.
  • Each PlayList file has a name that is a combination of a 5-digit number and an extension “.mpls”.
  • a single PlayList file shown in FIG. 15 has a file name “00000.mpls”.
  • the Clip Information file is stored in the CLIPINF directory. Each Clip Information file is set with a name combining a five-digit number and the extension “.clpi”. File names “00001.clpi”, “00002.clpi”, and “00003.clpi” are set in the three Clip Information files in FIG.
  • Stream file is stored in STREAM directory.
  • Each stream file has a name that is a combination of a 5-digit number and an extension “.m2ts”.
  • file names “00001.m2ts”, “00002.m2ts”, and “00003.m2ts” are set, respectively.
  • the clip information file in which the same 5-digit number is set as the file name and the stream file constitute a single clip.
  • the “00001.m2ts” stream file is played, the “00001.clpi” ClipCInformation file is used, and when the “00002.m2ts” stream file is played, the “00002.clpi” Clip Information file is used.
  • the Clip Information file used for playback of the AV stream including the HEVC stream includes information related to processing of the HDR video.
  • FIG. 16 is a diagram showing the syntax of the PlayList file.
  • the PlayList file is a file with the extension “.mpls” stored in the PLAYLIST directory of FIG.
  • AppInfoPlayList stores parameters related to playback control of the PlayList, such as playback restrictions.
  • PlayList stores parameters related to Main Path and Sub Path.
  • PlayListMark stores PlayList mark information, that is, information about a mark that is a jump destination (jump point) in a user operation or command that commands chapter jump or the like.
  • FIG. 17 is a diagram showing the syntax of the Clip® Information file.
  • the Clip Information file is a file with an extension “.clpi” stored in the CLIPINF directory of FIG.
  • ClipInfo stores information indicating the type of AV stream constituting the Clip, information indicating the recording rate of the AV stream, and the like.
  • the SequenceInfo () includes information indicating the position on the time axis of the source packet constituting the AV stream, information indicating the display time, and the like.
  • ProgramInfo includes information such as the PID of the AV stream that constitutes the Clip and the encoding of the AV stream.
  • FIG. 18 is a diagram showing the syntax of ProgramInfo () in FIG.
  • “Number_of_program_sequences” indicates the number of program sequences described in ProgramInfo ().
  • the program sequence is composed of a sequence of source packets constituting the program.
  • SPN_program_sequence_start [i] indicates the number of the source packet at the beginning of the program sequence (source packet number).
  • StreamCodingInfo includes information related to encoding of the AV stream constituting the Clip.
  • FIG. 19 is a diagram showing the syntax of StreamCodingInfo in FIG.
  • Stream_coding_type indicates the encoding method of elementary stream included in the AV stream. For example, in StreamCodingInfo of Clip
  • Video_format indicates a video scanning method.
  • a value indicating a 4K scanning method such as 2160p (2160 line progressive) is set as the stream_coding_type.
  • “Frame_rate” indicates the frame rate of the video stream.
  • Aspect_ratio indicates the aspect ratio of the video.
  • Cc_flag is a 1-bit flag and indicates whether or not closed caption data is included in the video stream.
  • Mode_flag is a 1-bit flag indicating the recording mode of the HEVC stream.
  • the flag indicating whether or not the HEVC stream included in the AV stream to be played back using the Clip Information is a stream in which the master is an HDR video, and the recording mode of the HEVC stream are set.
  • a flag to indicate is included.
  • the playback device 2 can identify whether the master video is an HDR video or the like without actually analyzing the HEVC stream by referring to the flag included in Clip Information.
  • FIG. 20 is a block diagram illustrating a configuration example of the recording apparatus 1.
  • the recording apparatus 1 includes a controller 21, an encoding processing unit 22, and a disk drive 23.
  • the master HDR video is input to the encoding processing unit 22.
  • the controller 21 includes a CPU (Central Processing Unit), ROM (Read Only Memory), RAM (Random Access Memory), and the like.
  • the controller 21 executes a predetermined program and controls the overall operation of the recording apparatus 1.
  • a Data Base information generation unit 21A is realized by executing a predetermined program.
  • the Data Base information generation unit 21 ⁇ / b> A generates a PlayList and Clip Information that are Data Base information, and outputs them to the disk drive 23.
  • the encoding processing unit 22 encodes the master HDR video.
  • the encoding processing unit 22 outputs the HEVC stream obtained by encoding the master HDR video to the disk drive 23.
  • the disk drive 23 records the file storing the PlayList, Clip Information supplied from the controller 21 and the HEVC stream supplied from the encoding processing unit 22 on the optical disk 11 according to the directory structure of FIG.
  • FIG. 21 is a block diagram illustrating a configuration example of the encoding processing unit 22 in FIG.
  • the encoding processing unit 22 includes an HDR information generation unit 31, an HEVC encoder 32, an HDR-STD conversion unit 33, a definition information generation unit 34, and an HEVC stream generation unit 35.
  • the HDR information generation unit 31 detects the luminance of the input master HDR video, and generates HDR information including each piece of information described with reference to FIG.
  • the HDR information generation unit 31 outputs the generated HDR information to the HEVC stream generation unit 35.
  • the HEVC encoder 32 When the recording mode is mode-i, the HEVC encoder 32 encodes the input master HDR video with HEVC. In addition, when the recording mode is mode-ii, the HEVC encoder 32 encodes the STD video supplied from the HDR-STD conversion unit 33 with HEVC. The HEVC encoder 32 outputs the encoded data of the HDR video or the encoded data of the STD video to the HEVC stream generation unit 35.
  • the HDR-STD conversion unit 33 converts the input master HDR video into STD video.
  • the conversion by the HDR-STD conversion unit 33 is appropriately performed according to the conversion parameter input by the author.
  • the HDR-STD conversion unit 33 outputs to the definition information generation unit 34 information indicating a correspondence relationship between input data and output data, where the HDR video RGB signal is input data and the STD video RGB signal is output data.
  • FIG. 22 is a diagram illustrating an example of signal processing by the HDR-STD conversion unit 33.
  • the HDR-STD conversion unit 33 converts the input master HDR video YCrCb signal to an RGB signal as indicated by the tip of arrow # 201, and converts each RGB signal of the STD video to each RGB signal. Convert to (tone mapping).
  • the HDR-STD conversion unit 33 outputs to the definition information generation unit 34 information indicating the correspondence between the RGB signal of the HDR video as input data and the RGB signal of the STD video as output data.
  • the information output to the definition information generation unit 34 is used to generate tone mapping definition information as indicated by the tip of arrow # 202.
  • the HDR-STD conversion unit 33 converts the RGB signal of the STD video into a YCrCb signal and outputs it as indicated by the tip of arrow # 203.
  • FIG. 23 is a diagram illustrating an example of tone mapping.
  • the HDR video RGB signal is converted into an STD video RGB signal by compressing a high luminance component and expanding a middle / low frequency luminance component.
  • Information indicating a function F that associates the RGB signal of the HDR video and the RGB signal of the STD video as illustrated in FIG. 23 is generated by the definition information generation unit 34.
  • the HDR-STD conversion unit 33 outputs the STD video obtained by converting the HDR video to the HEVC encoder 32 when the recording mode is mode-ii.
  • the definition information generation unit 34 generates tone-mapping definition information for HDR-STD conversion or STD-HDR conversion based on the information supplied from the HDR-STD conversion unit 33.
  • tone_map_model_id 0
  • tone_map_model_id 2
  • the definition information generation unit 34 generates Tone mapping information including start_of_coded_interval [i] in FIG. 10 as tone mapping definition information.
  • tone_map_model_id 3
  • the definition information generation unit 34 generates Tone mapping information including the number of coded_pivot_value [i] and target_pivot_value [i] specified by num_pivots in FIG. 11 as tone mapping definition information.
  • the HEVC stream generation unit 35 sets the tone_map_id of Tone mapping information including the HDR information supplied from the HDR information generation unit 31 and tone_map_id of the tone mapping information including the tone mapping definition information supplied from the definition information generation unit 34 to the recording mode. Set the same value accordingly. Also, the HEVC stream generation unit 35 inserts Tone mapping information including HDR information and Tone mapping information including tone mapping definition information into the encoded data as SEI, and generates an HEVC stream. The HEVC stream generation unit 35 outputs the generated HEVC stream to the disk drive 23.
  • FIG. 24 is a block diagram illustrating a configuration example of the playback device 2.
  • the playback device 2 includes a controller 51, a disk drive 52, a memory 53, a local storage 54, a network interface 55, a decryption processing unit 56, an operation input unit 57, and an HDMI communication unit 58.
  • the controller 51 includes a CPU, a ROM, a RAM, and the like.
  • the controller 51 executes a predetermined program and controls the overall operation of the playback device 2.
  • the disk drive 52 reads data from the optical disk 11 and outputs the read data to the controller 51, the memory 53, or the decryption processing unit 56.
  • the disk drive 52 outputs Data Base information read from the optical disk 11 to the controller 51 and outputs the HEVC stream to the decoding processing unit 56.
  • the memory 53 stores data necessary for the controller 51 to execute various processes.
  • a register 53A which is a PSR (Player Status Register) is formed.
  • the register 53A stores various types of information that the playback device 2 that is a BD player refers to when the optical disc 11 is played back.
  • the local storage 54 is composed of, for example, an HDD (Hard Disk Drive). In the local storage 54, a stream downloaded from the server is recorded.
  • HDD Hard Disk Drive
  • the network interface 55 communicates with a server via a network such as the Internet, and supplies data downloaded from the server to the local storage 54.
  • the decoding processing unit 56 decodes the HEVC stream supplied from the disk drive 52, and outputs HDR video or STD video data to the HDMI communication unit 58. When outputting the HDR video, the decoding processing unit 56 outputs the HDR information together with the HDR video data to the HDMI communication unit 58.
  • the operation input unit 57 includes input devices such as buttons, keys, and a touch panel, and a receiving unit that receives signals such as infrared rays transmitted from a predetermined remote commander.
  • the operation input unit 57 detects a user operation and supplies a signal representing the content of the detected operation to the controller 51.
  • the HDMI communication unit 58 communicates with the display device 3 via the cable 4. For example, the HDMI communication unit 58 acquires information regarding the performance of the monitor included in the display device 3 and outputs the information to the controller 51. Further, the HDMI communication unit 58 outputs the HDR video or STD video data supplied from the decoding processing unit 56 to the display device 3.
  • FIG. 25 is a block diagram illustrating a configuration example of the decoding processing unit 56 of FIG.
  • the decoding processing unit 56 includes a parameter extraction unit 71, an HEVC decoder 72, an HDR-STD conversion unit 73, an STD-HDR conversion unit 74, and an output unit 75.
  • the output unit 75 includes an HDR video output unit 75A and an STD video output unit 75B.
  • the HEVC stream read by the disk drive 52 is input to the parameter extraction unit 71.
  • the decoding processing unit 56 for example, the information indicating the recording mode specified by mode_flag included in ClipCInformation and the performance of the monitor included in the display device 3 specified by information acquired from the display device 3. Information is supplied from the controller 51.
  • the parameter extraction unit 71 extracts the HDR information and tone mapping definition information from the SEI of the HEVC stream. For example, when the recording mode is mode-i and the HDR video is output to the display device 3, the parameter extraction unit 71 outputs the HDR information to the HDR video output unit 75A. Further, when the recording mode is mode-i and the STD video is output to the display device 3, the parameter extraction unit 71 outputs tone-mapping definition information for HDR-STD conversion to the HDR-STD conversion unit 73.
  • the parameter extraction unit 71 outputs the HDR information to the HDR video output unit 75A and defines the tone mapping definition for STD-HDR conversion. Information is output to the STD-HDR converter 74.
  • the recording mode is mode-ii and STD video is output to the display device 3
  • the extracted HDR information and tone mapping definition information are not used.
  • the parameter extraction unit 71 outputs the encoded data included in the HEVC stream to the HEVC decoder 72.
  • the HEVC decoder 72 decodes the HEVC encoded data supplied from the parameter extraction unit 71.
  • the HEVC decoder 72 outputs the HDR video obtained by decoding to the HDR-STD conversion unit 73 and the HDR video output unit 75A.
  • the HEVC decoder 72 outputs the STD video obtained by decoding to the STD-HDR conversion unit 74 and the STD video output unit 75B.
  • the HDR-STD conversion unit 73 converts the HDR video supplied from the HEVC decoder 72 into STD video based on tone-mapping definition information for HDR-STD conversion supplied from the parameter extraction unit 71.
  • the HDR-STD conversion unit 73 outputs the STD video obtained by the conversion to the STD video output unit 75B.
  • the STD-HDR conversion unit 74 converts the STD video supplied from the HEVC decoder 72 into an HDR video based on the tone map mapping definition information for STD-HDR conversion supplied from the parameter extraction unit 71.
  • the STD-HDR conversion unit 74 outputs the HDR video obtained by the conversion to the HDR video output unit 75A.
  • the HDR video output unit 75A of the output unit 75 When the HDR video output unit 75A of the output unit 75 outputs the HDR video to the display device 3, the HDR video output from the HEVC decoder 72 or the HDR video supplied from the STD-HDR conversion unit 74 71 together with the HDR information supplied from 71.
  • the STD video output unit 75B outputs the STD video supplied from the HEVC decoder 72 or the STD video supplied from the HDR-STD conversion unit 73 when outputting the STD video to the display device 3.
  • the data output from the HDR video output unit 75A and the STD video output unit 75B is transmitted to the display device 3 by the HDMI communication unit 58.
  • FIG. 26 is a block diagram illustrating a configuration example of the display device 3.
  • the display device 3 includes a controller 101, an HDMI communication unit 102, a signal processing unit 103, and a monitor 104.
  • the controller 101 has a memory 101A.
  • the controller 101 includes a CPU, a ROM, a RAM, and the like.
  • the controller 101 executes a predetermined program and controls the overall operation of the display device 3.
  • the controller 101 stores and manages EDID (Extended display identification data) representing the performance of the monitor 104 in the memory 101A.
  • EDID Extended display identification data
  • the controller 101 outputs the EDID stored in the memory 101 ⁇ / b> A to the HDMI communication unit 102 and causes the playback apparatus 2 to transmit the EDID.
  • the playback device 2 specifies the performance of the monitor 104 of the display device 3.
  • the HDMI communication unit 102 communicates with the playback device 2 via the cable 4.
  • the HDMI communication unit 102 receives the video data transmitted from the playback device 2 and outputs it to the signal processing unit 103. Further, the HDMI communication unit 102 transmits the EDID supplied from the controller 101 to the playback device 2.
  • the signal processing unit 103 processes the video data supplied from the HDMI communication unit 102 and displays the video on the monitor 104.
  • step S1 the controller 21 of the recording apparatus 1 determines whether or not the recording mode is mode-i.
  • the recording mode is set by the author, for example.
  • step S2 If it is determined in step S1 that the recording mode is mode-i, in step S2, the encoding processing unit 22 performs an encoding process in mode-i.
  • the HEVC stream generated by the encoding process in mode-i is supplied to the disk drive 23.
  • step S1 when it is determined in step S1 that the recording mode is mode-ii, the encoding processing unit 22 performs the encoding process in mode-ii in step S3.
  • the HEVC stream generated by the encoding process in mode-ii is supplied to the disk drive 23.
  • step S4 the Data Base information generation unit 21A performs Data Base information generation processing.
  • the PlayList file and Clip Information file generated by the Data Base information generation process are supplied to the disk drive 23.
  • step S5 the disc drive 23 records the PlayList file, Clip Information file, and stream file storing the HEVC stream on the optical disc 11. Thereafter, the process is terminated.
  • step S11 the HDR information generating unit 31 of the encoding processing unit 22 detects the luminance of the master HDR video and generates HDR information.
  • step S12 the HEVC encoder 32 performs encoding by HEVC on the master HDR video, and generates encoded data of the HDR video.
  • step S13 the HDR-STD conversion unit 33 converts the input master HDR video into STD video.
  • Information indicating the correspondence between input data and output data in which the RGB signal of HDR video is input data and the RGB signal of STD video is output data is supplied to the definition information generation unit 34.
  • step S14 the definition information generation unit 34 generates tone-mapping definition information for HDR-STD conversion based on the information supplied from the HDR-STD conversion unit 33.
  • step S15 the HEVC stream generation unit 35 sets tone_map_id of Tone mapping information including the HDR information generated by the HDR information generation unit 31 and tone mapping information including the tone mapping definition information generated by the definition information generation unit 34. Set the ID for mode-i. Moreover, the HEVC stream generation unit 35 inserts Tone mapping information including HDR information and Tone mapping information including tone mapping definition information into the encoded data, and generates an HEVC stream. Thereafter, the process returns to step S2 in FIG. 27, and the subsequent processing is performed.
  • step S21 the HDR information generating unit 31 of the encoding processing unit 22 detects the luminance of the master HDR video and generates HDR information.
  • step S22 the HDR-STD conversion unit 33 converts the input master HDR video into STD video.
  • Information indicating the correspondence between input data and output data in which the RGB signal of HDR video is input data and the RGB signal of STD video is output data is supplied to the definition information generation unit 34.
  • step S23 the definition information generation unit 34 generates tone mapping definition information for STD-HDR conversion based on the information supplied from the HDR-STD conversion unit 33.
  • step S24 the HEVC encoder 32 performs encoding by HEVC on the STD video obtained by converting the master HDR video, and generates encoded data of the STD video.
  • step S25 the HEVC stream generating unit 35 sets tone_map_id of Tone mapping information including the HDR information generated by the HDR information generating unit 31 and tone mapping information including the tone mapping definition information generated by the definition information generating unit 34. Set the ID for mode-ii. Moreover, the HEVC stream generation unit 35 inserts Tone mapping information including HDR information and Tone mapping information including tone mapping definition information into the encoded data, and generates an HEVC stream. Thereafter, the process returns to step S3 in FIG. 27, and the subsequent processing is performed.
  • step S31 the Data Base information generation unit 21A of the controller 21 generates a PlayList including each piece of information described with reference to FIG.
  • the PlayList generated by the Data Base information generation unit 21A includes information related to PlayItem that specifies the HEVC stream as a playback section.
  • step S32 the Data Base information generation unit 21A generates Clip Information including HDR_flag and mode_flag in StreamCodingInfo of ProgramInfo ().
  • the Data Base information generation unit 21 ⁇ / b> A sets 1 as a value indicating the HDR_flag.
  • Data Base information generation unit 21A is a value indicating that the recording mode is mode-i as the value of mode_flag. 1 is set.
  • the Data Base information generation unit 21A is a value indicating that the recording mode is mode-ii as the value of mode_flag when the encoding process in mode-ii is performed in step S3 of FIG. Set to 0. Thereafter, the process returns to step S4 in FIG. 27, and the subsequent processing is performed.
  • the HEVC stream and Data Base information generated by the above processing are recorded on the optical disc 11.
  • the controller 51 of the reproduction device 2 controls the HDMI communication unit 58 to communicate with the display device 3 and reads the EDID from the memory 101A of the display device 3.
  • the controller 51 stores and manages information indicating the performance of the monitor included in the display device 3 in the register 53A.
  • step S41 the controller 51 controls the disc drive 52 to read out the PlayList and ClipCInformation that are Data Base information from the optical disc 11. Further, the controller 51 identifies the HEVC stream to be reproduced based on the information included in the PlayList, and reads the AV stream including the identified HEVC stream from the optical disc 11 by controlling the disc drive 52.
  • step S42 the controller 51 refers to HDR_flag and mode_flag included in Clip ⁇ Information.
  • the HDR_flag is set to a value indicating that recording using the HDR as the master is being performed. Thereby, the state of the recording device 1 becomes a state of reproducing the HDR video or the STD video obtained by converting the HDR video.
  • step S43 the controller 51 determines whether or not the recording mode is mode-i based on the value of mode_flag.
  • step S44 the decoding processing unit 56 performs a decoding process in mode-i.
  • step S45 the decoding processing unit 56 performs decoding processing in mode-ii.
  • step S44 or step S45 the process ends.
  • the determination whether or not the recording mode is mode-i is made based on the value of mode_flag, but it seems to be made based on tone_map_id of Tone mapping information inserted in the HEVC stream It may be.
  • step S61 the parameter extraction unit 71 of the decoding processing unit 56 extracts HDR information and tone mapping definition information from the SEI of the HEVC stream.
  • the parameter extraction unit 71 outputs the HEVC encoded data included in the HEVC stream to the HEVC decoder 72.
  • step S62 the HEVC decoder 72 decodes the HEVC encoded data, and outputs the HDR video obtained by the decoding to the HDR-STD conversion unit 73 and the HDR video output unit 75A.
  • step S63 the controller 51 determines whether the monitor of the display device 3 is an HDR monitor based on the information stored in the register 53A.
  • the register 53A stores information related to the performance of the monitor included in the display device 3 based on the HDMI EDID read from the display device 3.
  • the HDR video output unit 75A receives the HDR video supplied from the HEVC decoder 72 from the parameter extraction unit 71 in step S64. Output with HDR information.
  • step S65 the HDR-STD conversion unit 73 converts the HDR video supplied from the HEVC decoder 72, Based on tone-mapping definition information for HDR-STD conversion supplied from the parameter extraction unit 71, the video is converted into STD video.
  • step S66 the STD video output unit 75B outputs the STD video obtained by the conversion by the HDR-STD conversion unit 73.
  • step S67 the controller 51 determines whether or not the reproduction is finished.
  • step S67 If it is determined in step S67 that the reproduction has not ended, the controller 51 returns to step S61 and repeats the above processing. If it is determined in step S67 that the reproduction has ended, the process returns to step S44 in FIG. 31, and the subsequent processing is performed.
  • step S81 the parameter extraction unit 71 of the decoding processing unit 56 extracts the HDR information and tone mapping definition information from the SEI of the HEVC stream.
  • the parameter extraction unit 71 outputs HEVC encoded data included in the HEVC stream to the HEVC decoder 72.
  • step S82 the HEVC decoder 72 decodes the HEVC encoded data, and outputs the STD video obtained by the decoding to the STD-HDR conversion unit 74 and the STD video output unit 75B.
  • step S83 the controller 51 determines whether or not the monitor included in the display device 3 is an HDR monitor based on the information stored in the register 53A.
  • the STD-HDR conversion unit 74 is supplied with the STD video supplied from the HEVC decoder 72 from the parameter extraction unit 71 in step S84. Based on tone mapping definition information for STD-HDR conversion, it is converted to HDR video.
  • step S85 the HDR video output unit 75A outputs the HDR video obtained by the conversion by the STD-HDR conversion unit 74 together with the HDR information supplied from the parameter extraction unit 71.
  • step S83 if it is determined in step S83 that the monitor included in the display device 3 is an STD monitor, the STD video output unit 75B outputs the STD video supplied from the HEVC decoder 72 in step S86.
  • step S87 the controller 51 determines whether or not the reproduction is finished.
  • step S87 If it is determined in step S87 that the reproduction has not ended, the controller 51 returns to step S81 and repeats the above processing. If it is determined in step S87 that the reproduction has ended, the process returns to step S45 in FIG. 31, and the subsequent processing is performed.
  • the monitor 104 included in the display device 3 is an HDR monitor will be described.
  • the HDR video to which the HDR information is added is transmitted from the playback device 2.
  • step S91 the HDMI communication unit 102 of the display device 3 receives the HDR video and the HDR information transmitted from the playback device 2.
  • step S92 the controller 101 refers to the HDR information and determines whether the HDR video transmitted from the playback device 2 can be displayed as it is.
  • the HDR information includes information indicating the luminance characteristics of the master HDR video, that is, the HDR video transmitted from the playback device 2.
  • the determination in step S92 is performed by comparing the brightness characteristics of the HDR video specified by the HDR information with the display performance of the monitor 104.
  • the dynamic range of the HDR video specified by the HDR information is 0-400%
  • the dynamic range of the monitor 104 is 0-500% (for example, if the brightness of 100% is 100 cd / m 2 , 500 cd / m 2 ) If it is, it is determined that the HDR video can be displayed as it is.
  • the dynamic range of the HDR video specified by the HDR information is 0-400% and the dynamic range of the monitor 104 is 0-300%, it is determined that the HDR video cannot be displayed as it is.
  • step S93 the signal processing unit 103 causes the monitor 104 to display the video of the HDR video according to the luminance specified by the HDR information.
  • the luminance characteristic indicated by the function F2 in FIG. 12 is specified by the HDR information
  • each luminance value represents the brightness in the range of 0 to 400% indicated by the function F2.
  • step S94 the signal processing unit 103 adjusts the luminance according to the display performance of the monitor 104, and adjusts the luminance of the adjusted HDR video. Display video.
  • the luminance characteristic indicated by the function F2 in FIG. 12 is specified by the HDR information and the dynamic range of the monitor 104 is 0-300%, each luminance value represents the brightness in the range of 0-300%. So that it is compressed.
  • step S95 the controller 101 determines whether or not to end the display. If it is determined that the display is not ended, the processing from step S91 is repeated. . If it is determined in step S95 that the display is to be ended, the controller 101 ends the process.
  • the recording apparatus 1 can record the master HDR video on the optical disc 11 as the HDR video, and cause the playback apparatus 2 to play back the HDR video image on the display apparatus 3.
  • the recording device 1 can convert the master HDR video into the STD video, record it on the optical disc 11, restore the HDR video to the playback device 2, and display the HDR video on the display device 3.
  • the content author can display the HDR video image at the intended brightness. It becomes possible.
  • FIG. 35 is a diagram showing another configuration example of the recording / reproducing system.
  • the recording / reproducing system in FIG. 35 includes an information processing device 151 and a management server 152 in addition to the recording device 1, the reproducing device 2, and the display device 3.
  • the management server 152 is connected to a network 153 composed of the Internet or the like.
  • the playback device 2 can communicate with the management server 152 via the network 153.
  • the HDR video when outputting HDR video to the display device 3, when the recording mode of the optical disc 11 is mode-i, the HDR video whose luminance is adjusted according to the specifications of the display device 3 is used. Is output. In addition, when the recording mode of the optical disc 11 is mode-ii, HDR video generated using tone mapping definition information corresponding to the specification of the display device 3 is output.
  • the monitor 104 included in the display device 3 is an HDR monitor.
  • the information processing device 151 acquires master HDR video and specification information that is information indicating the specification of each display device, and brightness adjustment data or STD-HDR conversion according to the specification of each display device for each HDR video Tone mapping definition information for
  • the brightness adjustment data is data used to adjust the HDR video brightness. Since the monitor luminance characteristics such as the maximum luminance are different for each display device to which the HDR video is output, information for outputting the optimum HDR video from the playback device 2 according to the specifications of each display device is information. It is generated by the processing device 151.
  • the information processing apparatus 151 is an apparatus managed by the content author.
  • the information processing apparatus 151 When the master HDR video is recorded in mode-i, the information processing apparatus 151 generates brightness adjustment data according to the specifications of each display device. In addition, when the master HDR video is recorded in mode-ii, the information processing apparatus 151 generates tone mapping definition information according to the specifications of each display device. In the latter case, the video actually recorded on the optical disc 11 is an STD video obtained by converting the master HDR video.
  • tone mapping table When it is not necessary to distinguish between the brightness adjustment data generated by the information processing device 151 and tone mapping definition information, they are collectively referred to as tone mapping table.
  • the information processing apparatus 151 outputs the generated tone mapping table together with the disk ID, monitor ID, and specification information to the management server 152.
  • the disc ID is identification information of the optical disc 11.
  • the disk ID for example, an AACS (Advanced Access Content System) Content Certificate ID is used.
  • a Content Certificate ID is assigned to the optical disc 11 which is a BD-ROM standard optical disc.
  • Monitor ID is display device identification information.
  • Vender / Product ID defined by CEA-861 is used.
  • the display device 3 corresponding to the HDMI standard communication holds an EDID (Extended Display Identification Data) for storing Vender / Product ID and an EDID for storing specification information.
  • EDID Extended Display Identification Data
  • the information processing apparatus 151 appropriately generates HDR information and outputs it to the management server 152.
  • Data transmission / reception between the information processing apparatus 151 and the management server 152 may be performed via the network 153, or may be performed via wired communication or removable media.
  • the management server 152 manages a database in which the tone mapping table generated by the information processing apparatus 151 is associated with the disk ID, the monitor ID, and the specification information. In the database, HDR information is also registered as appropriate.
  • the management server 152 stores the tone mapping ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ table managed in the database in association with the disc ID of the optical disc 11 and the monitor ID of the display device 3 that is the HDR video output destination. Transmit to the playback device 2.
  • the request from the playback apparatus 2 includes the disk ID of the optical disk 11 and the monitor ID of the display apparatus 3.
  • FIG. 36 is a diagram illustrating an example of a database managed by the management server 152.
  • the disk ID, the monitor ID, the specification information, and the tone mapping table are associated and managed.
  • the optical disc to which the disc ID of ID1 is assigned is an optical disc on which content is recorded in mode-i.
  • ID1 is associated with tone mapping table T1, T2, and T3, which are brightness adjustment data, as data for the display device identified by each monitor ID of #a, #b, #c,. Managed.
  • the optical disc assigned the disc ID of ID2 is an optical disc on which content is recorded in mode-ii.
  • tone mapping table T11, T12, T13, which is tone mapping definition information, is associated as data for display devices identified by the monitor IDs of #a, #b, #c,. Managed.
  • tone mapping table T1 that is brightness adjustment data is provided to the playback device 2.
  • the HDR information is managed in association with the disk ID of ID1, the HDR information is also provided to the playback device 2.
  • tone mapping table T12 that is tone mapping definition information is provided to the playback device 2.
  • the HDR information is managed in association with the disk ID of ID2, the HDR information is also provided to the playback device 2.
  • the playback device 2 uses the management server 152 to determine the brightness of the HDR video obtained by decoding the HEVC stream recorded on the optical disc 11. It adjusts using the brightness adjustment data transmitted from.
  • the playback device 2 outputs the HDR video after brightness adjustment to the display device 3 together with the HDR information transmitted from the management server 152.
  • the HDR video output to the display device 3 is an HDR video whose luminance has been adjusted based on the luminance adjustment data for the display device 3.
  • the playback device 2 can display the HDR video with the optimum brightness corresponding to the monitor 104.
  • the playback device 2 uses the tone mapping transmitted from the management server 152 to the STD video obtained by decoding the HEVC stream recorded on the optical disc 11. Convert to HDR video using definition information.
  • the playback device 2 outputs the HDR video obtained by the conversion to the display device 3 together with the HDR information transmitted from the management server 152.
  • the HDR video output to the display device 3 is an HDR video obtained based on the tone mapping definition information for the display device 3. Even in this case, the playback device 2 can display the HDR video with the optimum brightness corresponding to the monitor 104.
  • FIG. 37 is a diagram illustrating an example of processing when the recording mode is mode-i. Of the processes shown in FIG. 37, the processes similar to those described with reference to FIG.
  • the same HDR video as the master HDR video input to the recording apparatus 1 is input to the information processing apparatus 151 by, for example, an author.
  • the information processing apparatus 151 also receives the disk ID of the optical disk on which the master HDR video is recorded, the monitor ID and specification information of each display device, and the like.
  • the information processing apparatus 151 generates brightness adjustment data based on the specifications of each display device. Also, the information processing apparatus 151 detects the brightness of the HDR video and generates HDR information, as with the recording apparatus 1. As indicated by the tip of arrow # 302, the information processing apparatus 151 outputs the generated brightness adjustment data and HDR information to the management server 152 together with the disk ID, monitor ID, and specification information, and registers them in the database.
  • the playback device 2 communicates with the display device 3 having the HDR monitor (monitor 104) and acquires the monitor ID and specification information of the display device 3 as indicated by an arrow # 303 during playback of the optical disc 11.
  • the monitor ID of the display device 3 is #a.
  • the playback device 2 requests the transmission of the tone mapping table by accessing the management server 152 via the network 153 and transmitting the acquired disk ID and monitor ID as indicated by arrow # 304.
  • the playback device 2 acquires the brightness adjustment data and the HDR information transmitted from the management server 152 in response to the request. From the data registered in the database, the management server 152 transmits brightness adjustment data and HDR information registered in association with the disk ID and monitor ID #a transmitted by the playback device 2.
  • the playback device 2 adjusts the brightness of the HDR video obtained by decoding the HEVC encoded data based on the brightness adjustment data acquired from the management server 152, as indicated by the tip of arrow # 305.
  • the playback device 2 adds the HDR information to the HDR video data after the brightness adjustment as indicated by the tip of the arrow # 306, and outputs the HDR information to the display device 3 as indicated by the arrow # 307.
  • the HDR information when the HDR information is transmitted from the management server 152 as the HDR information added to the HDR video data, the HDR information is used.
  • the HDR information is extracted from the HEVC stream. HDR information is used.
  • FIG. 38 is a diagram showing an example of each information when the recording mode is mode-i.
  • the master HDR video is transferred to the playback device 2 together with the HDR information generated by the recording device 1 based on the master HDR video and tone-mapping definition information for HDR-STD conversion, as indicated by the tip of the white arrow # 321. Provided.
  • the brightness of the HDR video obtained by decoding the HEVC encoded data is the tone mapping table acquired from the management server 152. Adjustment is made based on the adjustment data.
  • the horizontal axis of the coordinates indicating the brightness adjustment data for the display device 3 (monitor ID #a) shown in the upper center of FIG. 38 represents the pixel value before tone mapping, and the vertical axis represents the pixel value after tone mapping. .
  • the luminance adjustment data for the display device 3 is a function that performs tone mapping so as to suppress the luminance of data in a high luminance region (data having a large pixel value).
  • the HDR information is added to the HDR video data after brightness adjustment, and is output to the display device 3 as shown at the tip of arrow # 326.
  • the processing in the case of outputting STD video to a display device having an STD monitor is the same processing as described with reference to FIG.
  • the recording mode of the optical disc 11 is mode-i
  • the brightness of the HDR video obtained by decoding the encoded data is adjusted according to the specifications of the display device 3 that is the output destination, and brightness adjustment is performed. Later HDR video is output.
  • FIG. 39 is a diagram illustrating an example of processing when the recording mode is mode-ii. Of the processes shown in FIG. 39, the processes similar to those described with reference to FIG.
  • the same HDR video as the master HDR video is input to the information processing apparatus 151.
  • the information processing apparatus 151 also receives the disk ID of the optical disk on which the master HDR video is recorded, the monitor ID and specification information of each display device, and the like.
  • the information processing apparatus 151 converts the HDR video into the STD video as in the recording apparatus 1, and generates tone mapping definition information for STD-HDR conversion according to the specifications of each display device. Further, the information processing apparatus 151 detects the brightness of the HDR video and generates HDR information. As indicated by the tip of arrow # 342, the information processing apparatus 151 outputs the generated tone mapping definition information and HDR information to the management server 152 together with the disk ID, monitor ID, and specification information, and registers them in the database.
  • the playback device 2 communicates with the display device 3 having the HDR monitor and acquires the monitor ID and specification information of the display device 3 as indicated by an arrow # 343 during playback of the optical disc 11.
  • the playback device 2 requests the transmission of the tone mapping table by accessing the management server 152 as indicated by arrow # 344 and transmitting the acquired disk ID and monitor ID.
  • the playback device 2 acquires tone mapping definition information and HDR information transmitted from the management server 152 in response to the request. From the data registered in the database, tone management mapping information and HDR information registered in association with the disk ID and monitor ID #a transmitted by the playback device 2 are transmitted from the management server 152.
  • the playback device 2 converts the STD video obtained by decoding the HEVC encoded data into tone mapping definition information for STD-HDR conversion transmitted from the management server 152. Convert to HDR video based on The playback apparatus 2 adds the HDR information to the HDR video data obtained by performing the conversion as indicated by the tip of the arrow # 346, and outputs the HDR information to the display apparatus 3 as indicated by the arrow # 347.
  • the HDR information is transmitted from the management server 152 as the HDR information added to the HDR video data, the HDR information is used, and when the HDR information is not transmitted, The HDR information extracted from the HEVC stream is used.
  • FIG. 40 is a diagram showing an example of each information when the recording mode is mode-ii.
  • the master HDR video is converted into the STD video as indicated by the white arrow # 361, and then the playback device 2 together with the HDR information generated in the recording device 1 and the tone1mapping definition information for STD-HDR conversion.
  • the tone mapping definition information for STD-HDR conversion provided from the recording device 1 to the playback device 2 is not general display data but general-purpose data.
  • the STD video obtained by decoding the HEVC encoded data is the tone mapping for STD-HDR conversion acquired from the management server 152. It is converted to HDR video using definition information.
  • tone mapping definition information for STD-HDR conversion indicated by a broken line in FIG. 40 is not general-purpose data extracted from the HEVC stream recorded on the optical disc 11, but for the display device 3 acquired from the management server 152. It is data.
  • the horizontal axis of the coordinates indicating the tone mapping definition information for the display device 3 represents the pixel value of the input STD video, and the vertical axis represents the pixel value of the output HDR video.
  • the tone mapping definition information for the display device 3 is a function that performs tone mapping so as to suppress the luminance of the data in the low luminance region and suppress the luminance of the data in the high luminance region close to the maximum value.
  • the HDR information is added to the HDR video data obtained by converting the STD video, and is output to the display device 3 as indicated by the tip of arrow # 366.
  • the process in the case of outputting STD video with respect to the display apparatus which has an STD monitor is the same process as the process demonstrated with reference to FIG.
  • the STD video obtained by decoding the encoded data uses tone ⁇ mapping definition information corresponding to the performance of the display device 3 that is the output destination. Converted to HDR video and output.
  • FIG. 41 is a block diagram illustrating a hardware configuration example of the information processing device 151.
  • the CPU 161, ROM 162, and RAM 163 are connected to each other via a bus 164.
  • An input / output interface 165 is connected to the bus 164.
  • the input / output interface 165 is connected to an input unit 166 including a keyboard and a mouse, and an output unit 167 including a display and a speaker.
  • the input / output interface 165 is connected to a storage unit 168 including a hard disk and a non-volatile memory, a communication unit 169 including a network interface, and a drive 170 for driving the removable medium 171.
  • the management server 152 has the same configuration as that of the information processing apparatus 151 shown in FIG. In the following, the configuration of FIG. 41 will be described with reference to the configuration of the management server 152 as appropriate.
  • FIG. 42 is a block diagram illustrating a functional configuration example of the information processing apparatus 151. 42 is realized by a predetermined program being executed by the CPU 161 in FIG.
  • an HDR video acquisition unit 181 a monitor information acquisition unit 182, a tone mapping table generation unit 183, an HDR information generation unit 184, and an output unit 185 are realized.
  • the HDR video acquisition unit 181 controls the drive 170, for example, and acquires master HDR video data input using the removable medium 171. For example, information indicating the recording mode of the HDR video and the disc ID of the HDR video are input to the information processing apparatus 151 together with the HDR video.
  • the HDR video acquisition unit 181 outputs the acquired HDR video to the tone mapping table generation unit 183 and the HDR information generation unit 184.
  • the monitor information acquisition unit 182 acquires information regarding a plurality of display devices sold by each manufacturer, such as a monitor ID and specification information, and outputs the acquired information to the tone mapping table generation unit 183 and the output unit 185.
  • the tone mapping table generation unit 183 generates a tone mapping table corresponding to the recording mode of the HDR video acquired by the HDR video acquisition unit 181, and outputs the generated tone mapping table to the output unit 185.
  • the tone mapping table generation unit 183 uses the brightness of each display device based on the specification of each display device represented by the specification information acquired by the monitor information acquisition unit 182. Generate adjustment data. Further, when the recording mode is mode-ii, the tone mapping table generation unit 183 is based on the specification of each display device represented by the specification information acquired by the monitor information acquisition unit 182, and the STD for each display device. -Generate tone mapping definition information for HDR conversion.
  • the HDR information generation unit 184 detects the brightness of the HDR video acquired by the HDR video acquisition unit 181 and generates HDR information including each information described with reference to FIG.
  • the HDR information generation unit 184 outputs the generated HDR information to the output unit 185.
  • the specification information of each display device may be supplied to the HDR information generation unit 184, and the HDR information corresponding to the specification of each display device may be generated.
  • the output unit 185 communicates with the management server 152 by controlling the communication unit 169 or the like.
  • the output unit 185 outputs tone mapping table to the management server 152 together with the disk ID, monitor ID, specification information, and HDR information.
  • FIG. 43 is a block diagram illustrating a functional configuration example of the management server 152. 43 is realized by a predetermined program being executed by the CPU 161 (FIG. 41) of the management server 152.
  • a tone mapping table acquisition unit 191 and a database management unit 192 are realized.
  • the tone mapping table acquisition unit 191 controls the communication unit 169, for example, and acquires information transmitted from the information processing apparatus 151.
  • the tone mapping table acquisition unit 191 outputs the acquired tone mapping table, disk ID, monitor ID, specification information, and HDR information to the database management unit 192.
  • the database management unit 192 stores and manages a database as shown in FIG. 36, which is made up of information supplied from the tone ⁇ mapping table acquisition unit 191, in the storage unit 168. In response to a request from the playback device 2, the database management unit 192, for example, stores tone mapping table and HDR information registered in the database in association with the disk ID and the monitor ID transmitted from the playback device 2. Send to.
  • FIG. 44 is a block diagram illustrating a configuration example of the playback device 2.
  • controller 51 implements the tone mapping table acquisition unit 51A.
  • the tone mapping table acquisition unit 51 ⁇ / b> A controls the disc drive 52 to read the disc ID from the optical disc 11 during reproduction of the optical disc 11.
  • the tone mapping table acquisition unit 51 ⁇ / b> A acquires the monitor ID and the specification information included in the EDID acquired from the display device 3 by the HDMI communication unit 58.
  • the tone mapping table acquisition unit 51 ⁇ / b> A controls the network interface 55 to access the management server 152, and transmits the acquired disk ID, monitor ID, and specification information to the management server 152. As will be described later, in the management server 152, the tone mapping table may be selected based on the specification information of the display device.
  • the tone mapping table acquisition unit 51 ⁇ / b> A acquires the tone mapping table transmitted from the management server 152, and outputs it to the decoding processing unit 56.
  • the HDMI communication unit 58 communicates with the display device 3 via the cable 4.
  • the HDMI communication unit 58 acquires the EDID including the specification information of the display device 3 and the EDID including the monitor ID of the display device 3 including information indicating the maximum luminance of the monitor and information indicating the maximum expansion level. Information included in the EDID is output to the controller 51.
  • the HDMI communication unit 58 has a function as an information acquisition unit related to the display device 3 that is an HDR video output destination. Note that EDID including information indicating the maximum luminance of the monitor and information indicating the maximum extension level is a newly defined EDID.
  • FIG. 45 is a block diagram illustrating a configuration example of the decoding processing unit 56 of FIG.
  • the configuration shown in FIG. 45 is the same as the configuration shown in FIG. 25 except that a luminance adjustment unit 201 is provided between the HEVC decoder 72 and the HDR video output unit 75A.
  • the luminance adjustment data supplied from the tone mapping table acquisition unit 51A as the tone mapping table is input to the luminance adjustment unit 201.
  • tone mapping definition information supplied from the tone mapping table acquisition unit 51A as tone mapping table is input to the STD-HDR conversion unit 74.
  • the brightness adjustment unit 201 adjusts the brightness of the HDR video supplied from the HEVC decoder 72 based on the brightness adjustment data supplied from the tone mapping table acquisition unit 51A.
  • the luminance adjustment unit 201 outputs the HDR video after luminance adjustment to the HDR video output unit 75A.
  • the STD-HDR conversion unit 74 converts the STD video supplied from the HEVC decoder 72 into the HDR video based on the tone mapping definition information supplied from the tone mapping table acquisition unit 51A. In this case, tone mapping definition information extracted by the parameter extraction unit 71 is not used.
  • the STD-HDR conversion unit 74 outputs the HDR video obtained by the conversion to the HDR video output unit 75A.
  • step S101 the HDR video acquisition unit 181 of the information processing apparatus 151 acquires master HDR video data.
  • step S102 the monitor information acquisition unit 182 acquires a monitor ID and specification information for each display device.
  • the tone mapping table generating unit 183 generates a tone mapping table for each display device based on the specifications of each display device.
  • the tone mapping table generation unit 183 generates brightness adjustment data when the recording mode of the HDR video acquired by the HDR video acquisition unit 181 is mode-i, and tonetone mapping definition information when the recording mode is mode-ii. Generate.
  • the tone mapping table generation unit 183 outputs the generated tone mapping table to the output unit 185.
  • step S104 the HDR information generation unit 184 generates HDR information by detecting the brightness of the HDR video.
  • step S105 the output unit 185 transmits the tone mapping table together with the disk ID, monitor ID, specification information, and HDR information to the management server 152, and ends the process.
  • the processing of FIG. 27 is performed in the recording device 1 in parallel with the processing of the information processing device 151.
  • management server 152 Next, with reference to the flowchart of FIG. 47, the process of the management server 152 which registers tone mapping table in a database is demonstrated.
  • step S111 the tone mapping table acquisition unit 191 of the management server 152 receives the information transmitted from the information processing apparatus 151.
  • step S112 the database management unit 192 stores the tone mapping table received by the tone mapping table acquisition unit 191 in association with the disk ID, monitor ID, specification information, and HDR information, and ends the process.
  • the tone mapping table registered in the database is provided in response to a request from the playback apparatus 2 that plays back the optical disc 11.
  • step S121 the database management unit 192 receives the disc ID, monitor ID, and specification information transmitted from the playback device 2.
  • the specification information includes information indicating the maximum luminance of the display device 3.
  • step S122 the database management unit 192 refers to the database in the storage unit 168 and determines whether there is data corresponding to the disc ID transmitted from the playback device 2 (data registered in association with each other). To do.
  • step S123 the database management unit 192 includes data corresponding to the monitor ID transmitted from the playback device 2 in the data corresponding to the disk ID. It is determined whether or not.
  • step S124 the database management unit 192 transmits the tone mapping table corresponding to the disk ID and the monitor ID to the playback device 2.
  • the recording mode of the optical disc 11 is mode-i
  • luminance adjustment data is transmitted
  • it is mode-ii tone mapping definition information is transmitted.
  • step S123 determines whether there is data corresponding to the monitor ID in the data corresponding to the disk ID. If it is determined in step S123 that there is no data corresponding to the monitor ID in the data corresponding to the disk ID, the database management unit 192 determines whether there is data corresponding to the maximum luminance of the display device 3 in step S125. Determine whether or not.
  • step S126 the database management unit 192 reproduces the tone mapping table corresponding to the maximum luminance of the display device 3 among the data corresponding to the disk ID. 2 to send. Even if the monitor ID of the display device 3 is not registered in the database, the tone mapping table for the display device having the same maximum brightness as the display device 3 is provided to the display device 3.
  • step S124 or step S126 the process is terminated. Note that when the HDR information generated by the information processing device 151 is registered together with the tone mapping table, the HDR information is also transmitted to the playback device 2.
  • step S122 determines whether there is no data corresponding to the disk ID. If it is determined in step S122 that there is no data corresponding to the disk ID, error information is transmitted in step S127, and then the process ends.
  • the error information indicates that there is no corresponding data.
  • step S125 when it is determined in step S125 that there is no data corresponding to the maximum luminance of the display device 3, error information is transmitted in step S127, and the process ends.
  • step S141 the tone mapping table acquisition unit 51A of the playback device 2 controls the disk drive 52 and reads the disk ID from the optical disk 11.
  • step S142 the HDMI communication unit 58 communicates with the display device 3, and acquires an EDID including a monitor ID and an EDID including specification information.
  • the specification information of the display device 3 includes information indicating the maximum luminance.
  • step S143 the tone mapping table acquisition unit 51A determines whether or not the URL of the server that provides the tone mapping table is recorded on the optical disc 11.
  • the author can arbitrarily prepare a server that is a provider of tone mapping table. Also in the server arbitrarily prepared by the author, the same processing as that of the management server 152 is performed, and it is possible to provide the tone mapping table to the accessed playback device.
  • the URL of the server that provides the tone mapping table is described in, for example, a PlayList file.
  • the URL may be described in another file recorded on the optical disc 11.
  • the tone mapping table acquisition unit 51A accesses the server based on the URL recorded on the optical disc 11 in step S144. Further, the tone mapping table acquisition unit 51A transmits a disk ID, a monitor ID, and specification information.
  • tone mapping table acquisition unit 51A determines whether tone mapping table has been transmitted from the server.
  • the server accessed by the playback device 2 performs the same processing as the processing in FIG.
  • tone mapping table acquisition unit 51A receives tone mapping table transmitted from the server in step S146.
  • tone mapping table acquisition unit 51A also receives the HDR information.
  • tone mapping table is received, decryption processing is performed in step S147, and the processing is terminated.
  • tone mapping table and HDR information transmitted from the server are used. Details of the decoding process will be described later with reference to the flowcharts of FIGS.
  • tone mapping table acquisition unit 51A receives error information transmitted from the server.
  • the playback device 2 performs the same processing as the processing in FIGS. 32 and 33, and outputs HDR video to the display device 3. Thereafter, the process is terminated.
  • the tone mapping table acquisition unit 51A accesses the management server 152 in step S149. In addition, the tone mapping table acquisition unit 51A transmits a disk ID, a monitor ID, and specification information, and requests transmission of the tone mapping table.
  • the management server 152 becomes a default access destination when the URL of the server arbitrarily prepared by the author is not recorded on the optical disc 11.
  • the URL of the management server 152 as a default access destination may be described in a file in the optical disc 11 such as a PlayList file.
  • tone mapping table acquisition unit 51A determines whether tone mapping table has been transmitted from management server 152 or not.
  • tone mapping table acquisition unit 51A receives tone mapping table transmitted from management server 152 in step S151.
  • tone mapping table acquisition unit 51A also receives the HDR information.
  • a decoding process is performed in step S152, and the process is terminated.
  • the tone mapping table and the HDR information transmitted from the management server 152 are used.
  • tone mapping table acquisition unit 51A receives error information transmitted from management server 152 in step S153.
  • the playback device 2 performs the same processing as the processing in FIGS. 32 and 33, and outputs HDR video to the display device 3. Thereafter, the process is terminated.
  • step S161 the parameter extraction unit 71 of the decoding processing unit 56 extracts the HDR information from the SEI of the HEVC stream and outputs it to the HDR video output unit 75A.
  • the parameter extraction unit 71 outputs the HEVC encoded data included in the HEVC stream to the HEVC decoder 72.
  • step S162 the HEVC decoder 72 decodes the HEVC encoded data, and outputs the HDR video obtained by the decoding to the luminance adjustment unit 201.
  • step S163 the brightness adjustment unit 201 adjusts the brightness of the HDR video based on the brightness adjustment data transmitted from a server such as the management server 152 as a tone mapping table.
  • step S164 the HDR video output unit 75A determines whether HDR information is transmitted from the server together with the brightness adjustment data.
  • the transmitted HDR information is acquired by the tone mapping table acquisition unit 51A and supplied to the HDR video output unit 75A.
  • step S165 the HDR video output unit 75A outputs the HDR video after brightness adjustment together with the HDR information transmitted from the server.
  • step S166 the HDR video output unit 75A displays the HDR video after brightness adjustment together with the HDR information extracted by the parameter extraction unit 71. Output.
  • step S167 the controller 51 determines whether or not the reproduction is finished.
  • step S167 If it is determined in step S167 that the reproduction has not ended, the controller 51 returns to step S161 and repeatedly executes the above processing. If it is determined in step S167 that the reproduction has ended, the process returns to steps S147 and S152 in FIG. 49, and the subsequent processing is performed.
  • step S181 the parameter extraction unit 71 of the decoding processing unit 56 extracts the HDR information from the SEI of the HEVC stream.
  • the parameter extraction unit 71 outputs the HEVC encoded data included in the HEVC stream to the HEVC decoder 72.
  • step S182 the HEVC decoder 72 decodes the HEVC encoded data, and outputs the STD video obtained by the decoding to the STD-HDR conversion unit 74.
  • step S183 the STD-HDR conversion unit 74 converts the STD video supplied from the HEVC decoder 72 into HDR video based on tone mapping definition information for STD-HDR conversion transmitted from the server as tone mapping table. To do.
  • step S184 the HDR video output unit 75A determines whether the HDR information is transmitted from the server together with the tone mapping definition information.
  • step S185 the HDR video output unit 75A outputs the HDR video obtained by the conversion together with the HDR information transmitted from the server.
  • step S186 the HDR video output unit 75A extracts the HDR video obtained by the conversion by the parameter extraction unit 71. Output with information.
  • step S187 the controller 51 determines whether or not the reproduction is finished.
  • step S187 If it is determined in step S187 that the reproduction has not ended, the controller 51 returns to step S181 and repeatedly executes the above processing. If it is determined in step S187 that the reproduction has ended, the process returns to steps S147 and S152 in FIG. 49, and the subsequent processing is performed.
  • step S201 the controller 101 (FIG. 26) controls the HDMI communication unit 102 to communicate with the playback apparatus 2, and transmits an EDID including a monitor ID and an EDID including specification information. Thereafter, the playback device 2 performs the processing described with reference to FIG. 49 and the like, and outputs the HDR video to the display device 3.
  • step S202 the HDMI communication unit 102 receives the HDR video and the HDR information transmitted from the playback device 2.
  • step S203 the signal processing unit 103 displays the HDR video image on the monitor 104 in accordance with the luminance specified by the HDR information, and ends the processing. That is, in this case, the brightness adjustment or the like is not performed on the display device 3.
  • the playback device 2 can play back the HDR video having the optimum brightness for the display device 3 connected to itself.
  • tone mapping table for each display device is provided from the management server 152, but may be provided to the playback device 2 in a form recorded on the optical disc 11.
  • the playback device 2 selects a tone mapping table for the display device 3 from a plurality of tone mapping tables recorded on the optical disc 11.
  • FIG. 53 is a diagram showing an example of processing when the recording mode is mode-i. Of the processes shown in FIG. 53, the processes similar to those described with reference to FIG.
  • the master HDR video is input to the information processing apparatus 151.
  • the monitor ID and specification information of each display apparatus are also input by the author.
  • the information processing device 151 generates brightness adjustment data based on the specifications of each display device, and outputs it to the recording device 1 as indicated by the tip of arrow # 402.
  • the recording device 1 records the luminance adjustment data for each display device supplied from the information processing device 151 on the optical disc 11 together with the HEVC stream and HDR information obtained by encoding the HDR video.
  • the playback device 2 communicates with the display device 3 and acquires the monitor ID #a and specification information of the display device 3 as indicated by an arrow # 403 during playback of the optical disc 11.
  • the playback device 2 stores the brightness adjustment data corresponding to the monitor ID #a of the display device 3 among the brightness adjustment data provided in the form recorded on the optical disc 11. select. Assuming that the content recorded on the optical disc 11 is content #A, the optical disc 11 has recorded brightness adjustment data for each display device used when reproducing the content #A. The playback device 2 selects the brightness adjustment data recorded in association with the monitor ID #a from among them.
  • the playback device 2 selects the brightness of the HDR video obtained by decoding the HEVC encoded data from the optical disc 11 and reads the brightness adjustment data for the display device 3 as indicated by the tip of arrow # 405. Adjust based on.
  • the playback device 2 adds the HDR information to the HDR video data after luminance adjustment as indicated by the tip of arrow # 406, and outputs the HDR information to the display device 3 as indicated by arrow # 407.
  • FIG. 54 is a diagram illustrating an example of processing when the recording mode is mode-ii. Of the processes shown in FIG. 54, the description of the same processes as those described with reference to FIG.
  • the master HDR video is input to the information processing apparatus 151.
  • the monitor ID and specification information of each display apparatus are also input by the author.
  • the information processing device 151 generates tone mapping definition information for STD-HDR conversion according to the specifications of each display device by converting the HDR video into the STD video, and the recording device as indicated by the tip of arrow # 412 Output to 1.
  • the recording device 1 records tone mapping definition information for each display device supplied from the information processing device 151 on the optical disc 11 together with the HEVC stream and HDR information obtained by encoding the STD video.
  • the playback device 2 communicates with the display device 3 and acquires the monitor ID #a and specification information of the display device 3 as indicated by an arrow # 413 during playback of the optical disc 11.
  • the playback device 2 includes tone mapping definition information corresponding to the monitor ID #a of the display device 3 among the tone mapping definition information provided in the form recorded on the optical disc 11. select.
  • the optical disk 11 stores tone mapping definition information for each display device used at the time of reproduction of the content #A.
  • the playback device 2 selects tone mapping definition information recorded in association with the monitor ID #a.
  • the playback device 2 uses the tone mapping definition information selected and read from the optical disc 11 to convert the STD video obtained by decoding the encoded data into HDR video, as indicated by the tip of arrow # 415.
  • the playback device 2 adds the HDR information to the HDR video data obtained by performing the conversion as indicated by the tip of the arrow # 416, and outputs the HDR information to the display device 3 as indicated by the arrow # 417.
  • the HDR information for each display device generated by the information processing device 151 may be recorded on the optical disc 11 together with the tone mapping table.
  • the playback device 2 adds the HDR information for the display device 3 specified based on the monitor ID #a among the HDR information recorded on the optical disc 11 to the HDR video data after the brightness adjustment, Output to the display device 3.
  • FIG. 55 is a block diagram illustrating a configuration example of the recording device 1 in the recording / reproducing system illustrated in FIGS. 53 and 54.
  • the configuration of the recording apparatus 1 illustrated in FIG. 55 is the same as the configuration in FIG. 20 except that the tone mapping table acquisition unit 21B is realized in the controller 21 and the communication unit 211 is provided.
  • the tone mapping table 21B communicates with the information processing device 151 by controlling the communication unit 211, and acquires the tone mapping table for each display device generated by the information processing device 151.
  • the tone mapping table acquisition unit 21B outputs the acquired tone mapping table to the disk drive 23 and records it on the optical disc 11 together with the HEVC stream and Data Base information.
  • step S201 the controller 21 of the recording apparatus 1 determines whether or not the recording mode is mode-i.
  • step S202 the encoding processing unit 22 performs an encoding process in mode-i.
  • the HEVC stream generated by the encoding process in mode-i described with reference to FIG. 28 is supplied to the disk drive 23.
  • step S203 when it is determined in step S201 that the recording mode is mode-ii, in step S203, the encoding processing unit 22 performs the encoding process in mode-ii.
  • the HEVC stream generated by the encoding process in mode-ii described with reference to FIG. 29 is supplied to the disk drive 23.
  • step S204 the Data Base information generation unit 21A performs Data Base information generation processing.
  • the PlayList file and the Clip Information file generated by the Data Base information generation process described with reference to FIG. 30 are supplied to the disk drive 23.
  • the tone mapping table acquisition unit 21B controls the communication unit 211 to acquire the tone mapping table generated by the information processing apparatus 151. From the information processing device 151, the tone mapping table for each display device generated in the information processing device 151 is transmitted together with the monitor ID and specification information of each display device. When the recording mode of the optical disc 11 is mode-i, luminance adjustment data for each display device is transmitted, and when it is mode-ii, tone mapping definition information for each display device is transmitted.
  • the tone mapping table acquisition unit 21 ⁇ / b> B outputs a database file in which the tone mapping table for each display device is registered in association with the monitor ID, specification information, and the like to the disk drive 23.
  • step S206 the disc drive 23 records a database file including the PlayList file, Clip Information file, HEVC stream file, and tone mapping table on the optical disc 11. Thereafter, the process is terminated.
  • FIG. 57 is started at the time of reproducing the optical disc 11 on which data is recorded by the process of FIG. 56, for example.
  • step S211 the HDMI communication unit 58 communicates with the display device 3, and acquires an EDID including a monitor ID and an EDID including specification information.
  • the specification information of the display device 3 includes information indicating the maximum luminance.
  • step S212 the tone mapping table acquisition unit 51A reads the database file recorded on the optical disc 11 and determines whether there is data corresponding to the monitor ID transmitted from the playback device 2.
  • step S213 the tone mapping table acquisition unit 51A reads the tone mapping table corresponding to the monitor ID from the database file.
  • step S214 the tone mapping table acquisition unit 51A determines whether there is data corresponding to the maximum luminance of the display device 3.
  • step S214 If it is determined in step S214 that there is data corresponding to the maximum brightness, the tone mapping table acquisition unit 51A reads the tone mapping table corresponding to the maximum brightness of the display device 3 from the database file in step S215.
  • the decoding processing unit 56 After the tone mapping table is read in step S213 or S215, in step S216, the decoding processing unit 56 performs a decoding process.
  • the decryption process using the tone mapping table read from the database file, the decryption process of FIG. 50 when the recording mode is mode-i, or the recording mode of FIG. 51 when the recording mode is mode-ii A process similar to the decoding process is performed.
  • step S217 when it is determined in step S214 that there is no data corresponding to the maximum luminance, in step S217, the decoding processing unit 56 performs a normal decoding process.
  • the decoding process performed in step S217 is the same process as the process described with reference to FIG. 32 or FIG.
  • the HDR video obtained by decoding the HEVC stream is output to the display device 3 together with the HDR information extracted from the HEVC stream.
  • the STD video obtained by decoding the HEVC stream is HDR based on the tone mapping definition information for STD-HDR conversion extracted from the HEVC stream. Converted to video. Further, the HDR video obtained by the conversion is output to the display device 3 together with the HDR information extracted from the HEVC stream.
  • step S216 or step S217 After the decoding process is performed in step S216 or step S217, the process ends.
  • the tone mapping table for each display device may be provided to the playback device 2 in the form recorded on the optical disk 11. This also makes it possible for the playback device 2 to display an HDR video with an optimum luminance according to the specifications of the display device 3.
  • tone mapping table prepared on management server or optical disc is acquired from the management server 152 or the optical disc 11, but may be acquired from both.
  • a playback process is performed using the tone mapping table obtained from the management server 152.
  • the tone mapping table for the display device 3 is not prepared in the management server 152, the reproduction process is performed using the tone mapping table for the display device 3 recorded on the optical disc 11.
  • step S231 the tone mapping table acquisition unit 51A of the playback device 2 controls the disk drive 52 and reads the disk ID from the optical disk 11.
  • step S232 the HDMI communication unit 58 communicates with the display device 3, and acquires the EDID including the monitor ID of the display device 3 and the EDID including the specification information.
  • the specification information of the display device 3 includes information indicating the maximum luminance.
  • step S233 the tone mapping table acquisition unit 51A determines whether or not the URL of the server that provides the tone mapping table is recorded on the optical disc 11.
  • the tone mapping table acquisition unit 51A accesses the server based on the URL recorded on the optical disc 11 in step S234. Further, the tone mapping table acquisition unit 51A transmits a disk ID, a monitor ID, and specification information.
  • step S235 the tone mapping table acquisition unit 51A determines whether or not the tone mapping ⁇ ⁇ ⁇ table corresponding to the monitor ID has been transmitted from the server, which is registered in association with the disk ID.
  • the server accessed by the playback device 2 performs the same processing as the processing in FIG. For example, when there is data corresponding to the disk ID, a tone mapping table corresponding to the monitor ID or a tone mapping table corresponding to the maximum luminance is transmitted from the server among the data corresponding to the disk ID.
  • step S235 If it is determined in step S235 that the data corresponding to the monitor ID has been transmitted, in step S236, the tone mapping table obtaining unit 51A receives the tone mapping table transmitted from the server. When HDR information is transmitted together with tone mapping table, tone mapping table acquisition unit 51A also receives the HDR information.
  • step S237 After tone mapping table is received, decryption processing is performed in step S237, and the processing is terminated.
  • the decoding process performed in step S237 is the process described with reference to FIGS. 50 and 51, and tone mapping table and HDR information transmitted from the server are used.
  • step S235 When it is determined in step S235 that the data corresponding to the monitor ID has not been transmitted, in step S238, the tone mapping table acquisition unit 51A determines whether the data corresponding to the maximum luminance has been transmitted from the server. .
  • the tone mapping table acquiring unit 51A reads the database file recorded on the optical disc 11 in step S239. Further, the tone mapping table acquisition unit 51A determines whether or not the tone mapping table corresponding to the monitor ID is recorded in the database file.
  • tone mapping table acquisition unit 51A reads and acquires tone mapping table corresponding to the monitor ID from the database file.
  • tone ⁇ mapping table acquisition unit 51A obtains tone mapping table corresponding to the maximum luminance transmitted from the server. Receive.
  • step S240 After obtaining tone mapping table from the optical disc 11 in step S240 or receiving tone mapping table corresponding to the maximum luminance in step S241, decoding processing is performed in step S237. Thereafter, the process is terminated.
  • the former is preferentially used in the tone mapping table corresponding to the monitor ID acquired from the optical disc 11 and the tone mapping table corresponding to the maximum luminance acquired from the server.
  • step S242 the tone mapping table acquiring unit 51A receives the error information transmitted from the server.
  • the playback device 2 performs the same processing as the processing in FIGS. 32 and 33, and outputs HDR video to the display device 3.
  • the tone mapping table acquisition unit 51A accesses the management server 152 in step S243 (FIG. 59). Further, the tone mapping table acquisition unit 51A transmits the disk ID, the monitor ID, and the specification information to the management server 152, and requests transmission of the tone mapping table.
  • step S244 the tone mapping table acquisition unit 51A determines whether or not the tone mapping table corresponding to the monitor ID has been transmitted from the management server 152 and is registered in association with the disk ID. In the management server 152, processing similar to the processing in FIG. 48 is performed.
  • tone mapping table obtaining unit 51A receives the tone mapping table transmitted from the management server 152 in step S245.
  • tone mapping table acquisition unit 51A also receives the HDR information.
  • step S246 After tone mapping table is received, decryption processing is performed in step S246, and the processing is terminated.
  • the decoding process performed in step S246 is the process described with reference to FIGS. 50 and 51, and tone mapping table and HDR information transmitted from the management server 152 are used.
  • step S244 When it is determined in step S244 that the data corresponding to the monitor ID has not been transmitted, the tone mapping table acquisition unit 51A determines whether the data corresponding to the maximum luminance has been transmitted from the management server 152 in step S247. judge.
  • the tone mapping table acquisition unit 51A When it is determined in step S247 that data corresponding to the maximum luminance has been transmitted, the tone mapping table acquisition unit 51A reads the database file recorded on the optical disc 11 in step S248. Further, the tone mapping table acquisition unit 51A determines whether or not the tone mapping table corresponding to the monitor ID is recorded in the database file.
  • tone mapping table acquisition unit 51A reads and acquires tone mapping table corresponding to the monitor ID.
  • tone mapping table acquisition unit 51A in step S250 tone mapping corresponding to the maximum luminance transmitted from management server 152 Receive table.
  • step S249 After the tone mapping table is acquired from the optical disc 11 in step S249, or after the tone mapping table corresponding to the maximum luminance is received in step S250, the decoding process is performed in step S246. Thereafter, the process is terminated.
  • the tone mapping table acquisition unit 51A receives the error information transmitted from the management server 152 in step S251.
  • the playback device 2 performs the same processing as the processing in FIGS. 32 and 33, and outputs HDR video to the display device 3.
  • the tone mapping table transmitted from the server and the tone mapping table recorded on the optical disc 11 can be appropriately switched and used.
  • FIG. 60 is a diagram showing another example of processing in the recording / reproducing system.
  • the optical disc 11 on which the STD video is recorded is reproduced by the reproducing device 2. Also, conversion of STD video to HDR video is performed using tone ⁇ ⁇ mapping definition information for STD-HDR conversion acquired from the management server 152. That is, in this example, tone mapping definition information for STD-HDR conversion is not recorded on the optical disc 11, and HDR video is used by using STD video data recorded on the optical disc 11 and information acquired from the management server 152. Is played.
  • the recording apparatus 1 converts the master HDR video into the STD video as indicated by the tip of arrow # 431.
  • the video of the STD video obtained by the conversion is displayed on a monitor (not shown).
  • the recording apparatus 1 encodes the STD video obtained by converting the master HDR video by HEVC.
  • the recording device 1 records the HEVC stream obtained by encoding with HEVC on the optical disc 11 in the BD format, and provides it to the playback device 2 as indicated by arrow # 433.
  • Information about HDR video such as tone mapping definition information and HDR information is not recorded in the SEI of the HEVC stream.
  • the master HDR video is input to the information processing apparatus 151.
  • the disk ID of the optical disk 11 the monitor ID of each display device, specification information, and the like are also input by the author.
  • the information processing apparatus 151 converts HDR video into STD video and generates tone map mapping definition information for STD-HDR conversion according to the specifications of each display device. Further, the information processing apparatus 151 detects the brightness of the HDR video and generates HDR information. The information processing device 151 outputs the generated tone mapping definition information and HDR information to the management server 152 together with the disk ID, the monitor ID of each display device, and the specification information, as indicated by the tip of arrow # 435, and registers it in the database. To do.
  • the playback device 2 communicates with the display device 3 and acquires the monitor ID and specification information of the display device 3 as indicated by an arrow # 436 during playback of the optical disc 11.
  • the playback device 2 accesses the management server 152 as indicated by arrow # 437, and requests transmission of the tone mapping table by transmitting the disc ID of the optical disc 11, the monitor ID of the display device 3, and the specification information. .
  • the playback device 2 acquires tone mapping definition information and HDR information transmitted from the management server 152 in response to the request. From the information registered in the database, for example, tone mapping definition information and HDR information registered in association with the disc ID and monitor ID transmitted by the playback device 2 are transmitted from the management server 152.
  • the playback device 2 uses the tone # mapping definition information for STD-HDR conversion transmitted from the management server 152 to decode the STD video obtained by decoding the encoded data, as indicated by the tip of arrow # 438. Convert to HDR video.
  • the playback device 2 adds the HDR information transmitted from the management server 152 to the HDR video data obtained by performing the conversion, as indicated by the tip of arrow # 439, and as indicated by the arrow # 440. Output to the display device 3.
  • the HDR video can be displayed based on the STD video recorded on the optical disc 11. Even on the author side, it is not necessary to record the HDR video or the information related to the HDR video on the optical disc 11, so that the content using the HDR video can be easily provided.
  • tone ⁇ mapping definition information and HDR information for STD-HDR conversion may be provided to the playback device 2 based only on the disk ID.
  • the management server 152 a database in which the disc ID, the tone mapping definition information for STD-HDR conversion, and the HDR information are associated is managed. Further, tone mapping definition information and HDR information for STD-HDR conversion corresponding to the disc ID transmitted from the playback device 2 are provided to the playback device 2.
  • the decoding process in FIG. 61 is performed in steps S147 and S152 in FIG. 49 after the tone map definition information and the HDR information for STD-HDR conversion transmitted from the management server 152 are received.
  • the tone mapping definition information for STD-HDR conversion acquired by the tone mapping table acquisition unit 51A (FIG. 44) is output to the STD-HDR conversion unit 74 of the decoding processing unit 56, and the HDR information is output to the HDR video output unit 75A. Is done.
  • step S301 the HEVC decoder 72 of the decoding processing unit 56 decodes the HEVC encoded data read from the optical disc 11, and outputs the STD video obtained by decoding to the STD-HDR converting unit 74.
  • step S302 the STD-HDR conversion unit 74 converts the STD video supplied from the HEVC decoder 72 into HDR video based on tone mapping definition information for STD-HDR conversion transmitted from the server as a tone mapping table. To do.
  • step S303 the HDR video output unit 75A outputs the HDR video obtained by the conversion together with the HDR information transmitted from the server.
  • step S304 the controller 51 determines whether or not the reproduction has ended. If it is determined that the reproduction has not ended, the controller 51 returns to step S301 to repeatedly execute the above processing. If it is determined in step S304 that the reproduction has ended, the process returns to steps S147 and S152 in FIG. 49, and the subsequent processing is performed.
  • the processing described with reference to FIG. 46 is performed.
  • the processing described with reference to FIGS. 47 and 48 is performed.
  • the information processing apparatus 151 and the management server 152 are provided as different apparatuses. However, both functions may be realized on one apparatus. It is also possible to realize the functions of the recording apparatus 1 and the information processing apparatus 151 on one apparatus.
  • AACS Content Certificate ID is used as the disk ID
  • Vender / Product ID defined in CEA-861 is used as the monitor ID, but other identification information is used. Also good.
  • the series of processes described above can be executed by hardware or software.
  • a program constituting the software is installed in a computer incorporated in dedicated hardware or a general-purpose personal computer.
  • the program to be installed is provided by being recorded on the removable medium 171 shown in FIG. 41 formed of an optical disk (CD-ROM (Compact Disc-Read Only Memory), DVD (Digital Versatile Disc), etc.), semiconductor memory, or the like. Further, it may be provided via a wired or wireless transmission medium such as a local area network, the Internet, or digital broadcasting.
  • the program can be installed in advance in the ROM 162 or the storage unit 168.
  • the program executed by the computer may be a program that is processed in time series in the order described in this specification, or in parallel or at a necessary timing such as when a call is made. It may be a program for processing.
  • the system means a set of a plurality of components (devices, modules (parts), etc.), and it does not matter whether all the components are in the same housing. Accordingly, a plurality of devices housed in separate housings and connected via a network and a single device housing a plurality of modules in one housing are all systems. .
  • Embodiments of the present technology are not limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present technology.
  • the present technology can take a cloud computing configuration in which one function is shared by a plurality of devices via a network and is jointly processed.
  • each step described in the above flowchart can be executed by one device or can be shared by a plurality of devices.
  • the plurality of processes included in the one step can be executed by being shared by a plurality of apparatuses in addition to being executed by one apparatus.
  • a reading unit that reads out the second encoded data from the recording medium on which the encoded data of 2 is recorded;
  • a first acquisition unit that communicates with a display device capable of displaying the extended video and acquires identification information of the display device;
  • a second acquisition unit that acquires luminance adjustment data according to the specification of the display device, which is used to adjust the luminance of the extended video, based on the identification information of the display device;
  • An adjustment unit that adjusts the luminance of the extended video obtained by decoding the second encoded data based on the luminance adjustment data;
  • a playback device comprising: an output unit that outputs the data of the extended video after the brightness adjustment to the display device together with brightness characteristic information indicating a characteristic of the brightness of the extended video.
  • the recording medium is a Blu-ray disc;
  • the reading unit reads identification information of the recording medium from the recording medium
  • the second acquisition unit transmits identification information of the recording medium and identification information of the display device to the server, and is managed in the server in association with the identification information of the recording medium and the identification information of the display device.
  • the reading unit reads identification information of the recording medium from the recording medium
  • the first acquisition unit acquires specification information representing specifications of the display device from the display device
  • the second acquisition unit transmits the identification information of the recording medium, the identification information of the display device, and the specification information to the server, and is managed in association with the identification information of the recording medium in the server.
  • the second encoded data includes the luminance characteristic information as auxiliary information
  • the second acquisition unit acquires the luminance characteristic information together with the luminance adjustment data when the luminance characteristic information is managed in the server
  • the output unit outputs the luminance characteristic information acquired by the second acquisition unit when the luminance characteristic information is acquired by the second acquisition unit, and the luminance characteristic information is acquired by the second acquisition unit.
  • the reproduction device according to any one of (2) to (5), wherein when the information is not acquired, the luminance characteristic information included in the second encoded data is output.
  • the second acquisition unit acquires the brightness adjustment data recorded in association with the identification information of the display device among the plurality of brightness adjustment data recorded on the recording medium.
  • the reproducing apparatus according to 1).
  • the first acquisition unit acquires specification information representing specifications of the display device from the display device
  • the second acquisition unit when there is no brightness adjustment data recorded in association with the identification information of the display device, for the brightness adjustment according to the specification of the display device represented by the specification information
  • the reproducing apparatus according to (7), wherein data is acquired.
  • a recording medium on which encoded data of 2 is recorded In the playback device of the recording medium, Reading the second encoded data; Communicating with a display device capable of displaying the extended video, obtaining identification information of the display device, Based on the identification information of the display device, to obtain brightness adjustment data according to the specifications of the display device, used to adjust the brightness of the extended video, Decoding the second encoded data; Adjusting the brightness of the extended video obtained by decoding the second encoded data based on the brightness adjustment data; Processing for outputting the extended video data after the luminance adjustment to the display device together with luminance characteristic information indicating the luminance characteristic of the extended video.
  • a first acquisition unit that communicates with a display device capable of displaying the extended video and acquires identification information of the display device;
  • a decoding unit for decoding the first encoded data;
  • a playback device comprising: an output unit that outputs the extended video data obtained by performing the luminance conversion to the display device together with luminance characteristic information indicating the luminance characteristic of the extended video.
  • the recording medium is a Blu-ray disc;
  • the reading unit reads identification information of the recording medium from the recording medium
  • the second acquisition unit transmits identification information of the recording medium and identification information of the display device to the server, and is managed in the server in association with the identification information of the recording medium and the identification information of the display device.
  • the reproduction apparatus according to (12) or (13), wherein the luminance conversion definition data is acquired.
  • the reading unit reads identification information of the recording medium from the recording medium
  • the first acquisition unit acquires specification information representing specifications of the display device from the display device
  • the second acquisition unit transmits the identification information of the recording medium, the identification information of the display device, and the specification information to the server, and is managed in association with the identification information of the recording medium in the server.
  • the reproduction device according to (12) or (13), wherein the luminance conversion definition data corresponding to the specification of the display device represented by the specification information is acquired from the luminance conversion definition data.
  • the first encoded data includes the luminance characteristic information as auxiliary information
  • the second acquisition unit acquires the luminance characteristic information together with the luminance conversion definition data when the luminance characteristic information is managed in the server
  • the output unit outputs the luminance characteristic information acquired by the second acquisition unit when the luminance characteristic information is acquired by the second acquisition unit, and the luminance characteristic information is acquired by the second acquisition unit.
  • the reproduction device according to any one of (12) to (15), wherein when the information is not acquired, the luminance characteristic information included in the first encoded data is output.
  • the second acquisition unit acquires the luminance conversion definition data recorded in association with the identification information of the display device among the plurality of luminance conversion definition data recorded on the recording medium.
  • the reproducing apparatus described in 11 The reproducing apparatus described in 11).
  • the first acquisition unit acquires specification information representing specifications of the display device from the display device
  • the second acquisition unit when there is no luminance conversion definition data recorded in association with the identification information of the display device, the luminance conversion definition according to the specification of the display device represented by the specification information
  • the reproducing apparatus according to (17), wherein data is acquired.
  • a recording medium on which encoded data of 1 is recorded In the playback device of the recording medium, Reading the first encoded data; Communicating with a display device capable of displaying the extended video, obtaining identification information of the display device, Based on the identification information of the display device, the luminance conversion definition data according to the specification of the display device, which is used to convert the standard video to the extended video, Decoding the first encoded data; Converting the standard video obtained by decoding the first encoded data into the extended video based on the luminance conversion definition data; A recording medium on which processing for outputting the extended video data obtained by performing the luminance conversion to the display device together with luminance characteristic information indicating the luminance characteristic of the extended video is performed.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
PCT/JP2014/074246 2013-09-27 2014-09-12 再生装置、再生方法、および記録媒体 WO2015045916A1 (ja)

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MX2016003558A MX356133B (es) 2013-09-27 2014-09-12 Dispositivo de reproducción, método de reproducción y medio de grabación.
CN201480051615.5A CN105556606B (zh) 2013-09-27 2014-09-12 再现设备、再现方法以及记录介质
US15/022,866 US20160232937A1 (en) 2013-09-27 2014-09-12 Reproduction device, reproduction method, and recording medium
EP14849876.9A EP3051535B1 (de) 2013-09-27 2014-09-12 Wiedergabevorrichtung, wiedergabeverfahren und aufzeichnungsmedium
CA2924784A CA2924784C (en) 2013-09-27 2014-09-12 Reproduction device, reproduction method, and recording medium
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016208616A1 (ja) * 2015-06-25 2016-12-29 三菱電機株式会社 映像再生装置および映像再生方法
JP2018006877A (ja) * 2016-06-28 2018-01-11 シャープ株式会社 映像伝送装置、表示装置、映像表示システム、映像配信装置、映像配信システム、映像送受信システム、プログラム、記録媒体、および映像伝送方法
JP2020047358A (ja) * 2014-11-17 2020-03-26 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 再生方法および再生装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015008361A (ja) * 2013-06-24 2015-01-15 ソニー株式会社 再生装置、再生方法、および記録媒体
CN105556606B (zh) * 2013-09-27 2020-01-17 索尼公司 再现设备、再现方法以及记录介质
US10609327B2 (en) * 2014-12-29 2020-03-31 Sony Corporation Transmission device, transmission method, reception device, and reception method
WO2016140293A1 (ja) * 2015-03-05 2016-09-09 ソニー株式会社 送信装置、送信方法、受信装置および受信方法
US10200690B2 (en) * 2015-09-22 2019-02-05 Qualcomm Incorporated Video decoder conformance for high dynamic range (HDR) video coding using a core video standard
US20170353704A1 (en) * 2016-06-01 2017-12-07 Apple Inc. Environment-Aware Supervised HDR Tone Mapping
CN109691117B (zh) * 2017-07-07 2022-05-27 松下知识产权经营株式会社 影像处理系统及影像处理方法
KR102445544B1 (ko) * 2018-04-02 2022-09-21 삼성전자 주식회사 전자장치, 그 제어방법 및 기록매체

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007534238A (ja) * 2004-04-23 2007-11-22 ブライトサイド テクノロジーズ インコーポレイテッド 高ダイナミックレンジ画像の符号化、復号化、及び表現
JP2009058692A (ja) 2007-08-30 2009-03-19 Sony Corp 表示装置およびその駆動方法、電子機器
JP2009089209A (ja) 2007-10-02 2009-04-23 Sony Computer Entertainment Inc 送信装置、画像データ送信方法、受信装置および受信装置における画像表示方法
WO2012147022A2 (en) * 2011-04-28 2012-11-01 Koninklijke Philips Electronics N.V. Apparatuses and methods for hdr image encoding and decoding
WO2012153224A1 (en) * 2011-05-10 2012-11-15 Koninklijke Philips Electronics N.V. High dynamic range image signal generation and processing

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006260611A (ja) * 2005-03-15 2006-09-28 Toshiba Corp 情報記憶媒体、情報再生装置、情報再生方法、及びネットワーク通信システム
TWI466093B (zh) * 2007-06-26 2014-12-21 Apple Inc 用於視訊播放的管理技術
WO2010021705A1 (en) * 2008-08-22 2010-02-25 Thomson Licensing Method and system for content delivery
CN102422258A (zh) * 2009-05-06 2012-04-18 汤姆森许可贸易公司 用于传送根据显示设备能力而优化的多媒体内容的方法和系统
JP5343785B2 (ja) * 2009-09-17 2013-11-13 ソニー株式会社 画像信号処理装置、送信装置、画像信号処理方法、プログラム、および画像信号処理システム
CN102783132B (zh) * 2010-03-03 2016-08-03 皇家飞利浦电子股份有限公司 用于定义颜色状态的装置和方法
US8584522B2 (en) * 2010-04-30 2013-11-19 Qualcomm Mems Technologies, Inc. Micromachined piezoelectric x-axis gyroscope
CN103119936B (zh) * 2010-09-16 2017-06-13 皇家飞利浦电子股份有限公司 用于图像的改进的编码的设备和方法
US8736674B2 (en) * 2010-09-23 2014-05-27 Dolby Laboratories Licensing Corporation Method and system for 3D display calibration with feedback determined by a camera device
US20120124126A1 (en) * 2010-11-17 2012-05-17 Microsoft Corporation Contextual and task focused computing
JP5886205B2 (ja) * 2010-11-25 2016-03-16 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 通信機器
CN103562990B (zh) * 2011-05-31 2016-02-03 Nec显示器解决方案株式会社 显示装置和显示方法
US10916000B2 (en) * 2011-09-27 2021-02-09 Koninklijke Philips N.V. Apparatus and method for dynamic range transforming of images
JP5221745B2 (ja) * 2011-11-30 2013-06-26 株式会社東芝 画像処理装置、制御プログラム、及び画像処理装置の制御方法
US20130278834A1 (en) * 2012-04-20 2013-10-24 Samsung Electronics Co., Ltd. Display power reduction using extended nal unit header information
US20140253601A1 (en) * 2013-03-11 2014-09-11 Samsung Electronics Co., Ltd. Display power reduction using sei information
JP2015005878A (ja) * 2013-06-20 2015-01-08 ソニー株式会社 再生装置、再生方法、および記録媒体
MY178948A (en) * 2013-06-20 2020-10-23 Sony Corp Reproduction device, reproduction method, and recording medium
CN105359507B (zh) * 2013-07-12 2019-08-09 索尼公司 再现装置、再现方法和记录介质
US20150035993A1 (en) * 2013-08-05 2015-02-05 Sonic Ip, Inc. Systems, methods, and media for calibrating a display device
CN105556606B (zh) * 2013-09-27 2020-01-17 索尼公司 再现设备、再现方法以及记录介质

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007534238A (ja) * 2004-04-23 2007-11-22 ブライトサイド テクノロジーズ インコーポレイテッド 高ダイナミックレンジ画像の符号化、復号化、及び表現
JP2009058692A (ja) 2007-08-30 2009-03-19 Sony Corp 表示装置およびその駆動方法、電子機器
JP2009089209A (ja) 2007-10-02 2009-04-23 Sony Computer Entertainment Inc 送信装置、画像データ送信方法、受信装置および受信装置における画像表示方法
WO2012147022A2 (en) * 2011-04-28 2012-11-01 Koninklijke Philips Electronics N.V. Apparatuses and methods for hdr image encoding and decoding
WO2012153224A1 (en) * 2011-05-10 2012-11-15 Koninklijke Philips Electronics N.V. High dynamic range image signal generation and processing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3051535A4

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020047358A (ja) * 2014-11-17 2020-03-26 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 再生方法および再生装置
WO2016208616A1 (ja) * 2015-06-25 2016-12-29 三菱電機株式会社 映像再生装置および映像再生方法
JPWO2016208616A1 (ja) * 2015-06-25 2017-10-19 三菱電機株式会社 映像再生装置および映像再生方法
KR20180008682A (ko) 2015-06-25 2018-01-24 미쓰비시덴키 가부시키가이샤 영상 재생 장치 및 영상 재생 방법
KR102017512B1 (ko) 2015-06-25 2019-09-03 미쓰비시덴키 가부시키가이샤 영상 재생 장치 및 영상 재생 방법
JP2018006877A (ja) * 2016-06-28 2018-01-11 シャープ株式会社 映像伝送装置、表示装置、映像表示システム、映像配信装置、映像配信システム、映像送受信システム、プログラム、記録媒体、および映像伝送方法

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CN105556606B (zh) 2020-01-17
KR20160064091A (ko) 2016-06-07
JP2019071161A (ja) 2019-05-09
CN105556606A (zh) 2016-05-04
EP3051535A4 (de) 2017-05-03
TW201528256A (zh) 2015-07-16
EP3051535A1 (de) 2016-08-03
US20160232937A1 (en) 2016-08-11
JP6459969B2 (ja) 2019-01-30
KR102285049B1 (ko) 2021-08-04
TWI657438B (zh) 2019-04-21
CA2924784A1 (en) 2015-04-02
MX2016003558A (es) 2016-07-21
EP3051535B1 (de) 2020-12-30

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